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BOSTON MARATHON 2025

Jack Snell

Bib: 21479•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:37
Rank: #18390
Start → 5K
25:37 | 8:15/mi
10K· 6.21 mi
51:41
Rank: #18726 (-336)
5K → 10K
26:04 | 8:23/mi
15K· 9.32 mi
1:18:24
Rank: #19101 (-375)
10K → 15K
26:43 | 8:36/mi
20K· 12.43 mi
1:47:44
Rank: #20240 (-1139)
15K → 20K
29:20 | 9:26/mi
Half· 13.11 mi
1:54:16
Rank: #20504 (-264)
20K → Half
6:32 | 9:35/mi
25K· 15.53 mi
2:19:15
Rank: #21401 (-897)
Half → 25K
24:59 | 10:18/mi
30K· 18.64 mi
2:53:37
Rank: #22205 (-804)
25K → 30K
34:22 | 11:04/mi
20M
3:10:03
Rank: #22569 (-364)
30K → 20M
16:26 | 12:06/mi
21M
3:22:58
Rank: #22771 (-202)
20M → 21M
12:55 | 12:55/mi
35K· 21.75 mi
3:31:27
Rank: #22860 (-89)
21M → 35K
8:29 | 11:20/mi
23M
3:46:55
Rank: #23097 (-237)
35K → 23M
15:28 | 12:21/mi
24M
3:59:55
Rank: #23378 (-281)
23M → 24M
13:00 | 13:00/mi
40K· 24.85 mi
4:11:26
Rank: #23622 (-244)
24M → 40K
11:31 | 13:28/mi
25.2M
4:16:12
Rank: #23686 (-64)
40K → 25.2M
4:46 | 13:49/mi
Finish· 26.22 mi
4:27:47
Rank: #23790 (-104)
25.2M → Finish
11:35 | 11:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:16
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:33:31
Pace11:43 /mi
📊Positive Split: 34.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3925:378:1525:37
8:15
-
10K
6.21 mi11:47:4351:418:1926:04
8:23
+0:08
15K
9.32 mi12:14:261:18:248:2526:43
8:36
+0:13
20K
12.43 mi12:43:461:47:448:4029:20
9:26
+0:50
Half
13.11 mi12:50:181:54:168:436:32
9:35
+0:09
25K
15.53 mi13:15:172:19:158:5824:59
10:18
+0:43
30K
18.64 mi13:49:392:53:379:1934:22
11:04
+0:46
20M
20.00 mi14:06:053:10:039:3016:26
12:06
+1:02
21M
21.00 mi14:19:003:22:589:4012:55
12:55
+0:49
35K
21.75 mi14:27:293:31:279:438:29
11:20
-1:35
23M
23.00 mi14:42:573:46:559:5215:28
12:21
+1:01
24M
24.00 mi14:55:573:59:5510:0013:00
13:00
+0:39
40K
24.85 mi15:07:284:11:2610:0711:31
13:28
+0:28
25.2M
25.20 mi15:12:144:16:1210:104:46
13:49
+0:21
Finish
26.22 mi15:23:494:27:4710:1311:35
11:22
-2:27

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

8:15 /mi

Average Pace

10:13 /mi

Slowest Pace

13:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:15

52% of race

Time at Steady Pace

1:10:52

26% of race

Time at Slower Pace

57:40

22% of race

Average Pace: 10:13 /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 mi11:21:3925:378:1525:37
8:15
#18390
10K
6.21 mi11:47:4351:418:1926:04
8:23
#18726
15K
9.32 mi12:14:261:18:248:2526:43
8:36
#19101
20K
12.43 mi12:43:461:47:448:4029:20
9:26
#20240
Half
13.11 mi12:50:181:54:168:436:32
9:35
#20504
25K
15.53 mi13:15:172:19:158:5824:59
10:18
#21401
30K
18.64 mi13:49:392:53:379:1934:22
11:04
#22205
20M
20.00 mi14:06:053:10:039:3016:26
12:06
#22569
21M
21.00 mi14:19:003:22:589:4012:55
12:55
#22771
35K
21.75 mi14:27:293:31:279:438:29
11:20
#22860
23M
23.00 mi14:42:573:46:559:5215:28
12:21
#23097
24M
24.00 mi14:55:573:59:5510:0013:00
13:00
#23378
40K
24.85 mi15:07:284:11:2610:0711:31
13:28
#23622
25.2M
25.20 mi15:12:144:16:1210:104:46
13:49
#23686
Finish
26.22 mi15:23:494:27:4710:1311:35
11:22
#23790
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18390117641176419919(Top 70%)12467(Top 77%)12467(Top 990%)
10K6.21 mi3.10 mi18726-33611923-15911923-15919120(Top 67%)12113(Top 75%)12113(Top 962%)
15K9.32 mi3.11 mi19101-37512088-16512088-16519919(Top 70%)12467(Top 77%)12467(Top 990%)
20K12.43 mi3.11 mi20240-113912572-48412572-48422719(Top 80%)13676(Top 85%)13676(Top 1086%)
Half13.11 mi0.68 mi20504-26412686-11412686-11423774(Top 84%)14133(Top 88%)14133(Top 1123%)
25K15.53 mi2.42 mi21401-89713071-38513071-38523964(Top 84%)14182(Top 88%)14182(Top 1126%)
30K18.64 mi3.11 mi22205-80413411-34013411-34024104(Top 85%)14121(Top 88%)14121(Top 1122%)
20M20.00 mi1.36 mi22569-36413535-12413535-12425390(Top 89%)14627(Top 91%)14627(Top 1162%)
21M21.00 mi1.00 mi22771-20213611-7613611-7624941(Top 88%)14338(Top 89%)14338(Top 1139%)
35K21.75 mi0.75 mi22860-8913636-2513636-2524829(Top 87%)14273(Top 89%)14273(Top 1134%)
23M23.00 mi1.25 mi23097-23713718-8213718-8225597(Top 90%)14623(Top 91%)14623(Top 1161%)
24M24.00 mi1.00 mi23378-28113837-11913837-11926859(Top 95%)15226(Top 95%)15226(Top 1209%)
40K24.85 mi0.85 mi23622-24413931-9413931-9426735(Top 94%)15154(Top 94%)15154(Top 1204%)
25.2M25.20 mi0.35 mi23686-6413958-2713958-2726069(Top 92%)14782(Top 92%)14782(Top 1174%)
Finish26.22 mi1.02 mi23790-10414000-4214000-4225961(Top 91%)14762(Top 92%)14762(Top 1173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19919

Males

12467

M60-64

12467

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

19120

Males

12113

M60-64

12113

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19919

Males

12467

M60-64

12467

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

22719

Males

13676

M60-64

13676

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

23774

Males

14133

M60-64

14133

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23964

Males

14182

M60-64

14182

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24104

Males

14121

M60-64

14121

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

25390

Males

14627

M60-64

14627

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24941

Males

14338

M60-64

14338

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24829

Males

14273

M60-64

14273

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25597

Males

14623

M60-64

14623

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

26859

Males

15226

M60-64

15226

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26735

Males

15154

M60-64

15154

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26069

Males

14782

M60-64

14782

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25961

Males

14762

M60-64

14762

Passing Analysis

Category:
Athletes Passed
462
Passed By
5862
Net Change
-5400
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18390
5K → 10K136472-336#18390#18726
10K → 15K91466-375#18726#19101
15K → 20K301169-1139#19101#20240
20K → Half5269-264#20240#20504
Half → 25K24921-897#20504#21401
25K → 30K41845-804#21401#22205
30K → 20M25389-364#22205#22569
20M → 21M28230-202#22569#22771
21M → 35K26115-89#22771#22860
35K → 23M23260-237#22860#23097
23M → 24M13294-281#23097#23378
24M → 40K4248-244#23378#23622
40K → 25.2M468-64#23622#23686
25.2M → Finish12116-104#23686#23790
TOTALS4625862-5400
📊

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