Boston Marathon logo
BOSTON MARATHON 2023

Nick Walden

Bib: 8511•M

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 39%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:06
Rank: #6953
Start → 5K
22:06 | 7:07/mi
10K· 6.21 mi
44:06
Rank: #7082 (-129)
5K → 10K
22:00 | 7:05/mi
15K· 9.32 mi
1:06:04
Rank: #7025 (+57)
10K → 15K
21:58 | 7:04/mi
20K· 12.43 mi
1:28:13
Rank: #6927 (+98)
15K → 20K
22:09 | 7:08/mi
Half· 13.11 mi
1:33:02
Rank: #6908 (+19)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:50:28
Rank: #6834 (+74)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:13:19
Rank: #6693 (+141)
25K → 30K
22:51 | 7:21/mi
20M
2:23:18
Rank: #6613 (+80)
30K → 20M
9:59 | 7:21/mi
21M
2:31:00
Rank: #6526 (+87)
20M → 21M
7:42 | 7:42/mi
35K· 21.75 mi
2:36:23
Rank: #6492 (+34)
21M → 35K
5:23 | 7:12/mi
23M
2:45:41
Rank: #6428 (+64)
35K → 23M
9:18 | 7:26/mi
24M
2:53:07
Rank: #6411 (+17)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:59:39
Rank: #6401 (+10)
24M → 40K
6:32 | 7:38/mi
25.2M
3:02:28
Rank: #6397 (+4)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:11:17
Rank: #6698 (-301)
25.2M → Finish
8:49 | 8:39/mi

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
Time1:33:02
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:38:15
Pace7:30 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3122:067:0722:06
7:07
-
10K
6.21 mi11:09:3144:067:0622:00
7:05
-0:02
15K
9.32 mi11:31:291:06:047:0521:58
7:04
-0:01
20K
12.43 mi11:53:381:28:137:0622:09
7:08
+0:04
Half
13.11 mi11:58:271:33:027:064:49
7:04
-0:04
25K
15.53 mi12:15:531:50:287:0717:26
7:11
+0:07
30K
18.64 mi12:38:442:13:197:0922:51
7:21
+0:10
20M
20.00 mi12:48:432:23:187:109:59
7:21
0:00
21M
21.00 mi12:56:252:31:007:117:42
7:42
+0:21
35K
21.75 mi13:01:482:36:237:115:23
7:12
-0:30
23M
23.00 mi13:11:062:45:417:129:18
7:26
+0:14
24M
24.00 mi13:18:322:53:077:137:26
7:26
0:00
40K
24.85 mi13:25:042:59:397:146:32
7:38
+0:12
25.2M
25.20 mi13:27:533:02:287:142:49
8:10
+0:32
Finish
26.22 mi13:36:423:11:177:188:49
8:39
+0:29

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

7:04 /mi

Average Pace

7:18 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:53

37% of race

Time at Steady Pace

1:34:32

49% of race

Time at Slower Pace

25:52

14% of race

Average Pace: 7:18 /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 mi10:47:3122:067:0722:06
7:07
#6953
10K
6.21 mi11:09:3144:067:0622:00
7:05
#7082
15K
9.32 mi11:31:291:06:047:0521:58
7:04
#7025
20K
12.43 mi11:53:381:28:137:0622:09
7:08
#6927
Half
13.11 mi11:58:271:33:027:064:49
7:04
#6908
25K
15.53 mi12:15:531:50:287:0717:26
7:11
#6834
30K
18.64 mi12:38:442:13:197:0922:51
7:21
#6693
20M
20.00 mi12:48:432:23:187:109:59
7:21
#6613
21M
21.00 mi12:56:252:31:007:117:42
7:42
#6526
35K
21.75 mi13:01:482:36:237:115:23
7:12
#6492
23M
23.00 mi13:11:062:45:417:129:18
7:26
#6428
24M
24.00 mi13:18:322:53:077:137:26
7:26
#6411
40K
24.85 mi13:25:042:59:397:146:32
7:38
#6401
25.2M
25.20 mi13:27:533:02:287:142:49
8:10
#6397
Finish
26.22 mi13:36:423:11:177:188:49
8:39
#6698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6953623462346966(Top 26%)6222(Top 41%)6222(Top 118%)
10K6.21 mi3.10 mi7082-1296317-836317-837313(Top 27%)6464(Top 43%)6464(Top 122%)
15K9.32 mi3.11 mi7025+576272+456272+456966(Top 26%)6222(Top 41%)6222(Top 118%)
20K12.43 mi3.11 mi6927+986198+746198+746708(Top 25%)5991(Top 39%)5991(Top 113%)
Half13.11 mi0.68 mi6908+196182+166182+166890(Top 26%)6147(Top 41%)6147(Top 116%)
25K15.53 mi2.42 mi6834+746113+696113+696627(Top 25%)5882(Top 39%)5882(Top 111%)
30K18.64 mi3.11 mi6693+1415985+1285985+1286338(Top 24%)5616(Top 37%)5616(Top 106%)
20M20.00 mi1.36 mi6613+805909+765909+765905(Top 22%)5224(Top 34%)5224(Top 99%)
21M21.00 mi1.00 mi6526+875833+765833+765625(Top 21%)4926(Top 32%)4926(Top 93%)
35K21.75 mi0.75 mi6492+345798+355798+356477(Top 24%)5557(Top 37%)5557(Top 105%)
23M23.00 mi1.25 mi6428+645742+565742+566017(Top 23%)5195(Top 34%)5195(Top 98%)
24M24.00 mi1.00 mi6411+175717+255717+257243(Top 27%)5856(Top 39%)5856(Top 111%)
40K24.85 mi0.85 mi6401+105699+185699+187538(Top 28%)5950(Top 39%)5950(Top 113%)
25.2M25.20 mi0.35 mi6397+45695+45695+47434(Top 28%)5834(Top 38%)5834(Top 110%)
Finish26.22 mi1.02 mi6698-3015883-1885883-18816221(Top 61%)10242(Top 67%)10242(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6966

Males

6222

M18-39

6222

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7313

Males

6464

M18-39

6464

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6966

Males

6222

M18-39

6222

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6708

Males

5991

M18-39

5991

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6890

Males

6147

M18-39

6147

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6627

Males

5882

M18-39

5882

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6338

Males

5616

M18-39

5616

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5905

Males

5224

M18-39

5224

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5625

Males

4926

M18-39

4926

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6477

Males

5557

M18-39

5557

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6017

Males

5195

M18-39

5195

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7243

Males

5856

M18-39

5856

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7538

Males

5950

M18-39

5950

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7434

Males

5834

M18-39

5834

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16221

Males

10242

M18-39

10242

Passing Analysis

Category:
Athletes Passed
1317
Passed By
1062
Net Change
+255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6953
5K → 10K146275-129#6953#7082
10K → 15K165108+57#7082#7025
15K → 20K15557+98#7025#6927
20K → Half3314+19#6927#6908
Half → 25K10935+74#6908#6834
25K → 30K19251+141#6834#6693
30K → 20M10222+80#6693#6613
20M → 21M10316+87#6613#6526
21M → 35K6026+34#6526#6492
35K → 23M9935+64#6492#6428
23M → 24M6548+17#6428#6411
24M → 40K5848+10#6411#6401
40K → 25.2M2420+4#6401#6397
25.2M → Finish6307-301#6397#6698
TOTALS13171062+255
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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