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BOSTON MARATHON 2025

David Lynn

Bib: 21487•M

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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
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:53
Rank: #18902
Start → 5K
25:53 | 8:20/mi
10K· 6.21 mi
51:36
Rank: #18631 (+271)
5K → 10K
25:43 | 8:17/mi
15K· 9.32 mi
1:17:31
Rank: #18495 (+136)
10K → 15K
25:55 | 8:21/mi
20K· 12.43 mi
1:43:49
Rank: #18332 (+163)
15K → 20K
26:18 | 8:28/mi
Half· 13.11 mi
1:49:29
Rank: #18313 (+19)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:09:52
Rank: #17983 (+330)
Half → 25K
20:23 | 8:24/mi
30K· 18.64 mi
2:37:11
Rank: #17678 (+305)
25K → 30K
27:19 | 8:48/mi
20M
2:49:29
Rank: #17602 (+76)
30K → 20M
12:18 | 9:03/mi
21M
2:59:13
Rank: #17574 (+28)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
3:05:58
Rank: #17612 (-38)
21M → 35K
6:45 | 9:01/mi
23M
3:17:40
Rank: #17627 (-15)
35K → 23M
11:42 | 9:21/mi
24M
3:26:47
Rank: #17629 (-2)
23M → 24M
9:07 | 9:07/mi
40K· 24.85 mi
3:34:36
Rank: #17605 (+24)
24M → 40K
7:49 | 9:09/mi
25.2M
3:38:08
Rank: #17606 (-1)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:46:48
Rank: #17552 (+54)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:29
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:57:19
Pace8:57 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5925:538:2025:53
8:20
-
10K
6.21 mi11:46:4251:368:1825:43
8:17
-0:03
15K
9.32 mi12:12:371:17:318:1925:55
8:21
+0:04
20K
12.43 mi12:38:551:43:498:2126:18
8:28
+0:07
Half
13.11 mi12:44:351:49:298:215:40
8:18
-0:10
25K
15.53 mi13:04:582:09:528:2220:23
8:24
+0:06
30K
18.64 mi13:32:172:37:118:2627:19
8:48
+0:24
20M
20.00 mi13:44:352:49:298:2812:18
9:03
+0:15
21M
21.00 mi13:54:192:59:138:329:44
9:44
+0:41
35K
21.75 mi14:01:043:05:588:336:45
9:01
-0:43
23M
23.00 mi14:12:463:17:408:3611:42
9:21
+0:20
24M
24.00 mi14:21:533:26:478:379:07
9:07
-0:14
40K
24.85 mi14:29:423:34:368:387:49
9:09
+0:02
25.2M
25.20 mi14:33:143:38:088:393:32
10:15
+1:06
Finish
26.22 mi14:41:543:46:488:398:40
8:30
-1:45

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

8:17 /mi

Average Pace

8:39 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:32

61% of race

Time at Steady Pace

46:22

20% of race

Time at Slower Pace

41:54

18% of race

Average Pace: 8:39 /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 mi11:20:5925:538:2025:53
8:20
#18902
10K
6.21 mi11:46:4251:368:1825:43
8:17
#18631
15K
9.32 mi12:12:371:17:318:1925:55
8:21
#18495
20K
12.43 mi12:38:551:43:498:2126:18
8:28
#18332
Half
13.11 mi12:44:351:49:298:215:40
8:18
#18313
25K
15.53 mi13:04:582:09:528:2220:23
8:24
#17983
30K
18.64 mi13:32:172:37:118:2627:19
8:48
#17678
20M
20.00 mi13:44:352:49:298:2812:18
9:03
#17602
21M
21.00 mi13:54:192:59:138:329:44
9:44
#17574
35K
21.75 mi14:01:043:05:588:336:45
9:01
#17612
23M
23.00 mi14:12:463:17:408:3611:42
9:21
#17627
24M
24.00 mi14:21:533:26:478:379:07
9:07
#17629
40K
24.85 mi14:29:423:34:368:387:49
9:09
#17605
25.2M
25.20 mi14:33:143:38:088:393:32
10:15
#17606
Finish
26.22 mi14:41:543:46:488:398:40
8:30
#17552
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18902119911199118319(Top 64%)11764(Top 73%)11764(Top 934%)
10K6.21 mi3.10 mi18631+27111878+11311878+11318397(Top 65%)11805(Top 73%)11805(Top 938%)
15K9.32 mi3.11 mi18495+13611820+5811820+5818319(Top 64%)11764(Top 73%)11764(Top 934%)
20K12.43 mi3.11 mi18332+16311751+6911751+6917974(Top 63%)11597(Top 72%)11597(Top 921%)
Half13.11 mi0.68 mi18313+1911739+1211739+1217927(Top 63%)11597(Top 72%)11597(Top 921%)
25K15.53 mi2.42 mi17983+33011586+15311586+15316611(Top 58%)10929(Top 68%)10929(Top 868%)
30K18.64 mi3.11 mi17678+30511403+18311403+18316552(Top 58%)10736(Top 67%)10736(Top 853%)
20M20.00 mi1.36 mi17602+7611347+5611347+5617060(Top 60%)10848(Top 67%)10848(Top 862%)
21M21.00 mi1.00 mi17574+2811317+3011317+3017176(Top 60%)10772(Top 67%)10772(Top 856%)
35K21.75 mi0.75 mi17612-3811315+211315+218313(Top 64%)11183(Top 69%)11183(Top 888%)
23M23.00 mi1.25 mi17627-1511284+3111284+3117982(Top 63%)10960(Top 68%)10960(Top 871%)
24M24.00 mi1.00 mi17629-211259+2511259+2517953(Top 63%)10899(Top 68%)10899(Top 866%)
40K24.85 mi0.85 mi17605+2411219+4011219+4017066(Top 60%)10407(Top 65%)10407(Top 827%)
25.2M25.20 mi0.35 mi17606-111209+1011209+1018029(Top 63%)10829(Top 67%)10829(Top 860%)
Finish26.22 mi1.02 mi17552+5411164+4511164+4516235(Top 57%)10043(Top 62%)10043(Top 798%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18319

Males

11764

M60-64

11764

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18397

Males

11805

M60-64

11805

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18319

Males

11764

M60-64

11764

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17974

Males

11597

M60-64

11597

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17927

Males

11597

M60-64

11597

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16611

Males

10929

M60-64

10929

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16552

Males

10736

M60-64

10736

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17060

Males

10848

M60-64

10848

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17176

Males

10772

M60-64

10772

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18313

Males

11183

M60-64

11183

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17982

Males

10960

M60-64

10960

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17953

Males

10899

M60-64

10899

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17066

Males

10407

M60-64

10407

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

18029

Males

10829

M60-64

10829

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16235

Males

10043

M60-64

10043

Passing Analysis

Category:
Athletes Passed
2439
Passed By
1089
Net Change
+1350
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18902
5K → 10K431160+271#18902#18631
10K → 15K259123+136#18631#18495
15K → 20K267104+163#18495#18332
20K → Half4526+19#18332#18313
Half → 25K35626+330#18313#17983
25K → 30K38580+305#17983#17678
30K → 20M14973+76#17678#17602
20M → 21M11890+28#17602#17574
21M → 35K5391-38#17574#17612
35K → 23M102117-15#17612#17627
23M → 24M8082-2#17627#17629
24M → 40K7652+24#17629#17605
40K → 25.2M3031-1#17605#17606
25.2M → Finish8834+54#17606#17552
TOTALS24391089+1350
📊

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