Boston Marathon logo
BOSTON MARATHON 2023

Nicholas Brunner

Bib: 2718•M

KY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #2331
Start → 5K
6:31/mi
20:14 split
10K· 6.21 mi
40:04
Rank: #2221 (+110)
5K → 10K
6:23/mi
19:50 split
15K· 9.32 mi
59:48
Rank: #2080 (+141)
10K → 15K
6:21/mi
19:44 split
20K· 12.43 mi
1:19:46
Rank: #2025 (+55)
15K → 20K
6:26/mi
19:58 split
Half· 13.11 mi
1:24:03
Rank: #1999 (+26)
20K → Half
6:17/mi
4:17 split
25K· 15.53 mi
1:39:35
Rank: #1934 (+65)
Half → 25K
6:24/mi
15:32 split
30K· 18.64 mi
2:00:11
Rank: #1952 (-18)
25K → 30K
6:38/mi
20:36 split
20M
2:09:19
Rank: #1963 (-11)
30K → 20M
6:43/mi
9:08 split
21M
2:16:32
Rank: #2021 (-58)
20M → 21M
7:13/mi
7:13 split
35K· 21.75 mi
2:21:27
Rank: #2039 (-18)
21M → 35K
6:34/mi
4:55 split
23M
2:30:01
Rank: #2045 (-6)
35K → 23M
6:51/mi
8:34 split
24M
2:36:44
Rank: #2072 (-27)
23M → 24M
6:43/mi
6:43 split
40K· 24.85 mi
2:42:41
Rank: #2104 (-32)
24M → 40K
6:58/mi
5:57 split
25.2M
2:45:16
Rank: #2117 (-13)
40K → 25.2M
7:29/mi
2:35 split
Finish· 26.22 mi
2:52:17
Rank: #2155 (-38)
25.2M → Finish
6:53/mi
7:01 split

The Course

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
Time1:24:03
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:28:14
Pace6:44 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0520:146:3120:14
6:31
-
10K
6.21 mi10:40:5540:046:2719:50
6:23
-0:08
15K
9.32 mi11:00:3959:486:2519:44
6:21
-0:02
20K
12.43 mi11:20:371:19:466:2519:58
6:26
+0:05
Half
13.11 mi11:24:541:24:036:254:17
6:17
-0:09
25K
15.53 mi11:40:261:39:356:2515:32
6:24
+0:07
30K
18.64 mi12:01:022:00:116:2720:36
6:38
+0:14
20M
20.00 mi12:10:102:09:196:289:08
6:43
+0:05
21M
21.00 mi12:17:232:16:326:307:13
7:13
+0:30
35K
21.75 mi12:22:182:21:276:304:55
6:34
-0:39
23M
23.00 mi12:30:522:30:016:318:34
6:51
+0:17
24M
24.00 mi12:37:352:36:446:326:43
6:43
-0:08
40K
24.85 mi12:43:322:42:416:335:57
6:58
+0:15
25.2M
25.20 mi12:46:072:45:166:332:35
7:29
+0:31
Finish
26.22 mi12:53:082:52:176:357:01
6:53
-0:36

Checkpoints & Pacing

📈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

6:17 /mi

Average Pace

6:35 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:32

91% of race

Time at Steady Pace

13:10

8% of race

Time at Slower Pace

2:35

1% of race

Average Pace: 6:34 /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.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:0520:146:3120:14
6:31
#2331
10K
6.21 mi10:40:5540:046:2719:50
6:23
#2221
15K
9.32 mi11:00:3959:486:2519:44
6:21
#2080
20K
12.43 mi11:20:371:19:466:2519:58
6:26
#2025
Half
13.11 mi11:24:541:24:036:254:17
6:17
#1999
25K
15.53 mi11:40:261:39:356:2515:32
6:24
#1934
30K
18.64 mi12:01:022:00:116:2720:36
6:38
#1952
20M
20.00 mi12:10:102:09:196:289:08
6:43
#1963
21M
21.00 mi12:17:232:16:326:307:13
7:13
#2021
35K
21.75 mi12:22:182:21:276:304:55
6:34
#2039
23M
23.00 mi12:30:522:30:016:318:34
6:51
#2045
24M
24.00 mi12:37:352:36:446:326:43
6:43
#2072
40K
24.85 mi12:43:322:42:416:335:57
6:58
#2104
25.2M
25.20 mi12:46:072:45:166:332:35
7:29
#2117
Finish
26.22 mi12:53:082:52:176:357:01
6:53
#2155
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2331222322231880(Top 7%)1801(Top 12%)1801(Top 34%)
10K6.21 mi3.10 mi2221+1102124+992124+992158(Top 8%)2067(Top 14%)2067(Top 39%)
15K9.32 mi3.11 mi2080+1411994+1301994+1301880(Top 7%)1801(Top 12%)1801(Top 34%)
20K12.43 mi3.11 mi2025+551938+561938+561917(Top 7%)1840(Top 12%)1840(Top 35%)
Half13.11 mi0.68 mi1999+261915+231915+231722(Top 6%)1652(Top 11%)1652(Top 31%)
25K15.53 mi2.42 mi1934+651852+631852+631751(Top 7%)1677(Top 11%)1677(Top 32%)
30K18.64 mi3.11 mi1952-181869-171869-172094(Top 8%)2001(Top 13%)2001(Top 38%)
20M20.00 mi1.36 mi1963-111880-111880-112365(Top 9%)2241(Top 15%)2241(Top 42%)
21M21.00 mi1.00 mi2021-581936-561936-563174(Top 12%)2960(Top 20%)2960(Top 56%)
35K21.75 mi0.75 mi2039-181955-191955-192793(Top 10%)2620(Top 17%)2620(Top 50%)
23M23.00 mi1.25 mi2045-61961-61961-62868(Top 11%)2678(Top 18%)2678(Top 51%)
24M24.00 mi1.00 mi2072-271987-261987-263169(Top 12%)2935(Top 19%)2935(Top 56%)
40K24.85 mi0.85 mi2104-322018-312018-313590(Top 13%)3254(Top 21%)3254(Top 62%)
25.2M25.20 mi0.35 mi2117-132031-132031-133763(Top 14%)3353(Top 22%)3353(Top 63%)
Finish26.22 mi1.02 mi2155-382066-352066-354504(Top 17%)3912(Top 26%)3912(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1880

Males

1801

M18-39

1801

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2158

Males

2067

M18-39

2067

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1880

Males

1801

M18-39

1801

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1917

Males

1840

M18-39

1840

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1722

Males

1652

M18-39

1652

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1751

Males

1677

M18-39

1677

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2094

Males

2001

M18-39

2001

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2365

Males

2241

M18-39

2241

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3174

Males

2960

M18-39

2960

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2793

Males

2620

M18-39

2620

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

2868

Males

2678

M18-39

2678

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3169

Males

2935

M18-39

2935

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3590

Males

3254

M18-39

3254

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3763

Males

3353

M18-39

3353

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4504

Males

3912

M18-39

3912

Passing Analysis

Category:
Athletes Passed
730
Passed By
554
Net Change
+176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2331
5K → 10K17464+110#2331#2221
10K → 15K15918+141#2221#2080
15K → 20K8530+55#2080#2025
20K → Half271+26#2025#1999
Half → 25K7813+65#1999#1934
25K → 30K5371-18#1934#1952
30K → 20M3142-11#1952#1963
20M → 21M1472-58#1963#2021
21M → 35K1230-18#2021#2039
35K → 23M3844-6#2039#2045
23M → 24M1441-27#2045#2072
24M → 40K1951-32#2072#2104
40K → 25.2M821-13#2104#2117
25.2M → Finish1856-38#2117#2155
TOTALS730554+176
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing