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BOSTON MARATHON 2025

Jack Walsh

Bib: 29094•M

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:09
Rank: #21190
Start → 5K
27:09 | 8:44/mi
10K· 6.21 mi
53:36
Rank: #20530 (+660)
5K → 10K
26:27 | 8:31/mi
15K· 9.32 mi
1:20:13
Rank: #20242 (+288)
10K → 15K
26:37 | 8:34/mi
20K· 12.43 mi
1:46:38
Rank: #19765 (+477)
15K → 20K
26:25 | 8:30/mi
Half· 13.11 mi
1:52:18
Rank: #19679 (+86)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:12:30
Rank: #19085 (+594)
Half → 25K
20:12 | 8:20/mi
30K· 18.64 mi
2:39:04
Rank: #18342 (+743)
25K → 30K
26:34 | 8:33/mi
20M
2:50:39
Rank: #17981 (+361)
30K → 20M
11:35 | 8:31/mi
21M
2:59:25
Rank: #17645 (+336)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
3:05:34
Rank: #17489 (+156)
21M → 35K
6:09 | 8:13/mi
23M
3:16:28
Rank: #17293 (+196)
35K → 23M
10:54 | 8:42/mi
24M
3:25:02
Rank: #17174 (+119)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:32:33
Rank: #17093 (+81)
24M → 40K
7:31 | 8:47/mi
25.2M
3:35:55
Rank: #17065 (+28)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:44:20
Rank: #16977 (+88)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:52:18
Pace8:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:52:02
Pace8:33 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5427:098:4427:09
8:44
-
10K
6.21 mi12:18:2153:368:3826:27
8:31
-0:13
15K
9.32 mi12:44:581:20:138:3626:37
8:34
+0:03
20K
12.43 mi13:11:231:46:388:3526:25
8:30
-0:04
Half
13.11 mi13:17:031:52:188:345:40
8:18
-0:12
25K
15.53 mi13:37:152:12:308:3220:12
8:20
+0:02
30K
18.64 mi14:03:492:39:048:3226:34
8:33
+0:13
20M
20.00 mi14:15:242:50:398:3211:35
8:31
-0:02
21M
21.00 mi14:24:102:59:258:338:46
8:46
+0:15
35K
21.75 mi14:30:193:05:348:326:09
8:13
-0:33
23M
23.00 mi14:41:133:16:288:3310:54
8:42
+0:29
24M
24.00 mi14:49:473:25:028:338:34
8:34
-0:08
40K
24.85 mi14:57:183:32:338:337:31
8:47
+0:13
25.2M
25.20 mi15:00:403:35:558:343:22
9:46
+0:59
Finish
26.22 mi15:09:053:44:208:348:25
8:16
-1:30

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

8:13 /mi

Average Pace

8:34 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:40:58

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

3:22

2% of race

Average Pace: 8:33 /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 mi11:51:5427:098:4427:09
8:44
#21190
10K
6.21 mi12:18:2153:368:3826:27
8:31
#20530
15K
9.32 mi12:44:581:20:138:3626:37
8:34
#20242
20K
12.43 mi13:11:231:46:388:3526:25
8:30
#19765
Half
13.11 mi13:17:031:52:188:345:40
8:18
#19679
25K
15.53 mi13:37:152:12:308:3220:12
8:20
#19085
30K
18.64 mi14:03:492:39:048:3226:34
8:33
#18342
20M
20.00 mi14:15:242:50:398:3211:35
8:31
#17981
21M
21.00 mi14:24:102:59:258:338:46
8:46
#17645
35K
21.75 mi14:30:193:05:348:326:09
8:13
#17489
23M
23.00 mi14:41:133:16:288:3310:54
8:42
#17293
24M
24.00 mi14:49:473:25:028:338:34
8:34
#17174
40K
24.85 mi14:57:183:32:338:337:31
8:47
#17093
25.2M
25.20 mi15:00:403:35:558:343:22
9:46
#17065
Finish
26.22 mi15:09:053:44:208:348:25
8:16
#16977
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21190129401294019723(Top 69%)12376(Top 77%)12376(Top 219%)
10K6.21 mi3.10 mi20530+66012682+25812682+25819866(Top 70%)12413(Top 77%)12413(Top 220%)
15K9.32 mi3.11 mi20242+28812578+10412578+10419723(Top 69%)12376(Top 77%)12376(Top 219%)
20K12.43 mi3.11 mi19765+47712364+21412364+21418245(Top 64%)11718(Top 73%)11718(Top 208%)
Half13.11 mi0.68 mi19679+8612326+3812326+3817918(Top 63%)11588(Top 72%)11588(Top 205%)
25K15.53 mi2.42 mi19085+59412067+25912067+25916112(Top 57%)10695(Top 66%)10695(Top 190%)
30K18.64 mi3.11 mi18342+74311715+35211715+35215080(Top 53%)10098(Top 63%)10098(Top 179%)
20M20.00 mi1.36 mi17981+36111518+19711518+19713942(Top 49%)9426(Top 59%)9426(Top 167%)
21M21.00 mi1.00 mi17645+33611353+16511353+16512087(Top 43%)8422(Top 52%)8422(Top 149%)
35K21.75 mi0.75 mi17489+15611257+9611257+9613755(Top 48%)9178(Top 57%)9178(Top 163%)
23M23.00 mi1.25 mi17293+19611135+12211135+12214580(Top 51%)9436(Top 59%)9436(Top 167%)
24M24.00 mi1.00 mi17174+11911069+6611069+6614929(Top 53%)9556(Top 59%)9556(Top 169%)
40K24.85 mi0.85 mi17093+8111008+6111008+6115132(Top 53%)9508(Top 59%)9508(Top 169%)
25.2M25.20 mi0.35 mi17065+2810975+3310975+3315877(Top 56%)9814(Top 61%)9814(Top 174%)
Finish26.22 mi1.02 mi16977+8810928+4710928+4714658(Top 52%)9330(Top 58%)9330(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

19723

Males

12376

M18-39

12376

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19866

Males

12413

M18-39

12413

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

19723

Males

12376

M18-39

12376

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18245

Males

11718

M18-39

11718

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17918

Males

11588

M18-39

11588

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16112

Males

10695

M18-39

10695

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

15080

Males

10098

M18-39

10098

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13942

Males

9426

M18-39

9426

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12087

Males

8422

M18-39

8422

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13755

Males

9178

M18-39

9178

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14580

Males

9436

M18-39

9436

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14929

Males

9556

M18-39

9556

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15132

Males

9508

M18-39

9508

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15877

Males

9814

M18-39

9814

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14658

Males

9330

M18-39

9330

Passing Analysis

Category:
Athletes Passed
4542
Passed By
329
Net Change
+4213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21190
5K → 10K75595+660#21190#20530
10K → 15K35466+288#20530#20242
15K → 20K49720+477#20242#19765
20K → Half948+86#19765#19679
Half → 25K6006+594#19679#19085
25K → 30K7507+743#19085#18342
30K → 20M3687+361#18342#17981
20M → 21M3360+336#17981#17645
21M → 35K1637+156#17645#17489
35K → 23M21923+196#17489#17293
23M → 24M14122+119#17293#17174
24M → 40K10423+81#17174#17093
40K → 25.2M5022+28#17093#17065
25.2M → Finish11123+88#17065#16977
TOTALS4542329+4213
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing