Nicolas Kiefer

Bib: 2004•M

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 25550

Gender (Male)

#0 / 14578

Masters (Masters Men)

#0 / 9729

Age Group (M45-49)

#0 / 2218

Race Day Weather

55°/45°F

scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

26:16

Rank: #17517

Start → 5K

26:16 | 8:27/mi

5K· 3.11 mi

26:16

Rank: #17517

Start → 5K

26:16 | 8:27/mi

10K· 6.21 mi

53:40

Rank: #18255 (-738)

5K → 10K

27:24 | 8:49/mi

10K· 6.21 mi

53:40

Rank: #18255 (-738)

5K → 10K

27:24 | 8:49/mi

15K· 9.32 mi

1:21:40

Rank: #18509 (-254)

10K → 15K

28:00 | 9:01/mi

15K· 9.32 mi

1:21:40

Rank: #18509 (-254)

10K → 15K

28:00 | 9:01/mi

20K· 12.43 mi

1:49:23

Rank: #18033 (+476)

15K → 20K

27:43 | 8:55/mi

20K· 12.43 mi

1:49:23

Rank: #18033 (+476)

15K → 20K

27:43 | 8:55/mi

Half· 13.11 mi

1:55:26

Rank: #18015 (+18)

20K → Half

6:03 | 8:52/mi

Half· 13.11 mi

1:55:26

Rank: #18015 (+18)

20K → Half

6:03 | 8:52/mi

25K· 15.53 mi

2:17:19

Rank: #17555 (+460)

Half → 25K

21:53 | 9:02/mi

25K· 15.53 mi

2:17:19

Rank: #17555 (+460)

Half → 25K

21:53 | 9:02/mi

30K· 18.64 mi

2:46:29

Rank: #17030 (+525)

25K → 30K

29:10 | 9:23/mi

30K· 18.64 mi

2:46:29

Rank: #17030 (+525)

25K → 30K

29:10 | 9:23/mi

20M

2:59:17

Rank: #16829 (+201)

30K → 20M

12:48 | 9:25/mi

20M

2:59:17

Rank: #16829 (+201)

30K → 20M

12:48 | 9:25/mi

21M

3:09:15

Rank: #16585 (+244)

20M → 21M

9:58 | 9:58/mi

21M

3:09:15

Rank: #16585 (+244)

20M → 21M

9:58 | 9:58/mi

35K· 21.75 mi

3:16:23

Rank: #16568 (+17)

21M → 35K

7:08 | 9:32/mi

35K· 21.75 mi

3:16:23

Rank: #16568 (+17)

21M → 35K

7:08 | 9:32/mi

23M

3:28:28

Rank: #16408 (+160)

35K → 23M

12:05 | 9:39/mi

23M

3:28:28

Rank: #16408 (+160)

35K → 23M

12:05 | 9:39/mi

24M

3:38:02

Rank: #16321 (+87)

23M → 24M

9:34 | 9:34/mi

24M

3:38:02

Rank: #16321 (+87)

23M → 24M

9:34 | 9:34/mi

40K· 24.85 mi

3:46:23

Rank: #16211 (+110)

24M → 40K

8:21 | 9:46/mi

40K· 24.85 mi

3:46:23

Rank: #16211 (+110)

24M → 40K

8:21 | 9:46/mi

25.2M

3:50:03

Rank: #16153 (+58)

40K → 25.2M

3:40 | 10:38/mi

25.2M

3:50:03

Rank: #16153 (+58)

40K → 25.2M

3:40 | 10:38/mi

Finish· 26.22 mi

3:59:25

Rank: #16127 (+26)

25.2M → Finish

9:22 | 9:11/mi

Finish· 26.22 mi

3:59:25

Rank: #16127 (+26)

25.2M → Finish

9:22 | 9:11/mi

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:55:26

Pace8:48 /mi

2nd Half

Distance13.11 mi

Time2:03:59

Pace9:27 /mi

📊Positive Split: 7.4% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:29:48	26:16	8:27	26:16	8:27	-
10K	6.21 mi	10:57:12	53:40	8:38	27:24	8:49	+0:22
15K	9.32 mi	11:25:12	1:21:40	8:46	28:00	9:01	+0:12
20K	12.43 mi	11:52:55	1:49:23	8:48	27:43	8:55	-0:06
Half	13.11 mi	11:58:58	1:55:26	8:48	6:03	8:52	-0:03
25K	15.53 mi	12:20:51	2:17:19	8:50	21:53	9:02	+0:10
30K	18.64 mi	12:50:01	2:46:29	8:56	29:10	9:23	+0:21
20M	20.00 mi	13:02:49	2:59:17	8:58	12:48	9:25	+0:02
21M	21.00 mi	13:12:47	3:09:15	9:01	9:58	9:58	+0:33
35K	21.75 mi	13:19:55	3:16:23	9:02	7:08	9:32	-0:26
23M	23.00 mi	13:32:00	3:28:28	9:04	12:05	9:39	+0:07
24M	24.00 mi	13:41:34	3:38:02	9:05	9:34	9:34	-0:05
40K	24.85 mi	13:49:55	3:46:23	9:06	8:21	9:46	+0:12
25.2M	25.20 mi	13:53:35	3:50:03	9:08	3:40	10:38	+0:52
Finish	26.22 mi	14:02:57	3:59:25	9:08	9:22	9:11	-1:27

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:27 /mi

Average Pace

9:08 /mi

Slowest Pace

10:38 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:17:19

57% of race

Time at Steady Pace

1:08:02

28% of race

Time at Slower Pace

34:04

14% of race

Average Pace: 9:08 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	10:29:48	26:16	8:27	26:16	8:27	#17517
10K	6.21 mi	10:57:12	53:40	8:38	27:24	8:49	#18255
15K	9.32 mi	11:25:12	1:21:40	8:46	28:00	9:01	#18509
20K	12.43 mi	11:52:55	1:49:23	8:48	27:43	8:55	#18033
Half	13.11 mi	11:58:58	1:55:26	8:48	6:03	8:52	#18015
25K	15.53 mi	12:20:51	2:17:19	8:50	21:53	9:02	#17555
30K	18.64 mi	12:50:01	2:46:29	8:56	29:10	9:23	#17030
20M	20.00 mi	13:02:49	2:59:17	8:58	12:48	9:25	#16829
21M	21.00 mi	13:12:47	3:09:15	9:01	9:58	9:58	#16585
35K	21.75 mi	13:19:55	3:16:23	9:02	7:08	9:32	#16568
23M	23.00 mi	13:32:00	3:28:28	9:04	12:05	9:39	#16408
24M	24.00 mi	13:41:34	3:38:02	9:05	9:34	9:34	#16321
40K	24.85 mi	13:49:55	3:46:23	9:06	8:21	9:46	#16211
25.2M	25.20 mi	13:53:35	3:50:03	9:08	3:40	10:38	#16153
Finish	26.22 mi	14:02:57	3:59:25	9:08	9:22	9:11	#16127

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	3.11 mi	17517	10997	10997	18962(Top 74%)	11693(Top 80%)	11693(Top 527%)
10K	6.21 mi	3.10 mi	18255-738	11323-326	11323-326	18950(Top 74%)	11637(Top 80%)	11637(Top 525%)
15K	9.32 mi	3.11 mi	18509-254	11442-119	11442-119	18962(Top 74%)	11693(Top 80%)	11693(Top 527%)
20K	12.43 mi	3.11 mi	18033+476	11235+207	11235+207	16982(Top 66%)	10791(Top 74%)	10791(Top 487%)
Half	13.11 mi	0.68 mi	18015+18	11227+8	11227+8	17608(Top 69%)	10985(Top 75%)	10985(Top 495%)
25K	15.53 mi	2.42 mi	17555+460	10989+238	10989+238	15615(Top 61%)	10073(Top 69%)	10073(Top 454%)
30K	18.64 mi	3.11 mi	17030+525	10716+273	10716+273	14992(Top 59%)	9552(Top 66%)	9552(Top 431%)
20M	20.00 mi	1.36 mi	16829+201	10597+119	10597+119	14152(Top 55%)	8927(Top 61%)	8927(Top 402%)
21M	21.00 mi	1.00 mi	16585+244	10475+122	10475+122	12836(Top 50%)	8110(Top 56%)	8110(Top 366%)
35K	21.75 mi	0.75 mi	16568+17	10449+26	10449+26	15601(Top 61%)	9428(Top 65%)	9428(Top 425%)
23M	23.00 mi	1.25 mi	16408+160	10335+114	10335+114	14143(Top 55%)	8625(Top 59%)	8625(Top 389%)
24M	24.00 mi	1.00 mi	16321+87	10265+70	10265+70	14735(Top 58%)	8894(Top 61%)	8894(Top 401%)
40K	24.85 mi	0.85 mi	16211+110	10188+77	10188+77	14129(Top 55%)	8508(Top 58%)	8508(Top 384%)
25.2M	25.20 mi	0.35 mi	16153+58	10148+40	10148+40	13259(Top 52%)	8030(Top 55%)	8030(Top 362%)
Finish	26.22 mi	1.02 mi	16127+26	10112+36	10112+36	15105(Top 59%)	9040(Top 62%)	9040(Top 408%)

9040

Passing Analysis

Category:

Athletes Passed

3000

Passed By

1610

Net Change

+1390

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#17517
5K → 10K	79	817	-738	#17517	#18255
10K → 15K	147	401	-254	#18255	#18509
15K → 20K	516	40	+476	#18509	#18033
20K → Half	47	29	+18	#18033	#18015
Half → 25K	487	27	+460	#18015	#17555
25K → 30K	561	36	+525	#17555	#17030
30K → 20M	230	29	+201	#17030	#16829
20M → 21M	256	12	+244	#16829	#16585
21M → 35K	72	55	+17	#16585	#16568
35K → 23M	193	33	+160	#16568	#16408
23M → 24M	120	33	+87	#16408	#16321
24M → 40K	137	27	+110	#16321	#16211
40K → 25.2M	68	10	+58	#16211	#16153
25.2M → Finish	87	61	+26	#16153	#16127
TOTALS	3000	1610	+1390

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Share Feedback

Quick Links

Explore more race data and athlete comparisons

All Results

Browse complete race results with filtering

→

Race Analytics

View race statistics, trends, and insights

→

Course Information

View interactive course map and elevation

→

Contact Time Management

Questions about your timing data or results

→

Results processed 3 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Nicolas Kiefer

⏱️ Race Timeline

Race Animation with Course Map

Claim it — unlock a deeper AI report on this race, free

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→Half

Half→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→Finish

Passing Analysis

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management

Public Race Data