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BOSTON MARATHON 2025

Tim Cowham

Bib: 18198•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:07/mi
25:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
50:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:16:57
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:43:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:49:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:10:07
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:38:27
↑ 181↓ 1480.2%
20M
9:31/mi
2:51:23
↑ 64↓ 500.2%
21M
12:02/mi
3:03:25
↑ 106↓ 241.6%
35K· 21.75 mi
9:07/mi
3:10:14
↑ 17↓ 861.7%
23M
11:01/mi
3:24:01
↑ 23↓ 630.6%
24M
13:23/mi
3:37:24
↓ 821.3%
40K· 24.85 mi
15:47/mi
3:50:54
↓ 200.3%
25.2M
19:00/mi
3:57:27
↑ 13↓ 160.2%
Finish· 26.22 mi
17:21/mi
4:15:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:12
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time2:25:56
Pace11:08 /mi
📊Positive Split: 33.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2425:128:0725:12
8:07
-
10K
6.21 mi11:41:5750:458:1025:33
8:13
+0:06
15K
9.32 mi12:08:091:16:578:1526:12
8:26
+0:13
20K
12.43 mi12:34:371:43:258:1926:28
8:31
+0:05
Half
13.11 mi12:40:241:49:128:205:47
8:29
-0:02
25K
15.53 mi13:01:192:10:078:2320:55
8:38
+0:09
30K
18.64 mi13:29:392:38:278:3028:20
9:07
+0:29
20M
20.00 mi13:42:352:51:238:3412:56
9:31
+0:24
21M
21.00 mi13:54:373:03:258:4412:02
12:02
+2:31
35K
21.75 mi14:01:263:10:148:456:49
9:07
-2:55
23M
23.00 mi14:15:133:24:018:5213:47
11:01
+1:54
24M
24.00 mi14:28:363:37:249:0413:23
13:23
+2:22
40K
24.85 mi14:42:063:50:549:1713:30
15:47
+2:24
25.2M
25.20 mi14:48:393:57:279:256:33
19:00
+3:13
Finish
26.22 mi15:06:204:15:089:4417:41
17:21
-1:39

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

8:07 /mi

Average Pace

9:44 /mi

Slowest Pace

19:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:58:12

70% of race

Time at Slower Pace

1:16:56

30% of race

Average Pace: 9:44 /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 mi11:16:2425:128:0725:12
8:07
#17432
10K
6.21 mi11:41:5750:458:1025:33
8:13
#17746
15K
9.32 mi12:08:091:16:578:1526:12
8:26
#18136
20K
12.43 mi12:34:371:43:258:1926:28
8:31
#18139
Half
13.11 mi12:40:241:49:128:205:47
8:29
#18163
25K
15.53 mi13:01:192:10:078:2320:55
8:38
#18100
30K
18.64 mi13:29:392:38:278:3028:20
9:07
#18121
20M
20.00 mi13:42:352:51:238:3412:56
9:31
#18218
21M
21.00 mi13:54:373:03:258:4412:02
12:02
#18805
35K
21.75 mi14:01:263:10:148:456:49
9:07
#18817
23M
23.00 mi14:15:133:24:018:5213:47
11:01
#19264
24M
24.00 mi14:28:363:37:249:0413:23
13:23
#20088
40K
24.85 mi14:42:063:50:549:1713:30
15:47
#20961
25.2M
25.20 mi14:48:393:57:279:256:33
19:00
#21372
Finish
26.22 mi15:06:204:15:089:4417:41
17:21
#22363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17432113921139218912(Top 67%)12013(Top 75%)12013(Top 729%)
10K6.21 mi3.10 mi17746-31411525-13311525-13318053(Top 64%)11679(Top 73%)11679(Top 709%)
15K9.32 mi3.11 mi18136-39011674-14911674-14918912(Top 67%)12013(Top 75%)12013(Top 729%)
20K12.43 mi3.11 mi18139-311673+111673+118366(Top 65%)11774(Top 73%)11774(Top 714%)
Half13.11 mi0.68 mi18163-2411676-311676-319042(Top 67%)12082(Top 75%)12082(Top 733%)
25K15.53 mi2.42 mi18100+6311635+4111635+4117959(Top 63%)11510(Top 71%)11510(Top 698%)
30K18.64 mi3.11 mi18121-2111606+2911606+2918265(Top 64%)11493(Top 71%)11493(Top 697%)
20M20.00 mi1.36 mi18218-9711629-2311629-2319255(Top 68%)11809(Top 73%)11809(Top 717%)
21M21.00 mi1.00 mi18805-58711863-23411863-23423644(Top 83%)13746(Top 85%)13746(Top 834%)
35K21.75 mi0.75 mi18817-1211847+1611847+1618774(Top 66%)11400(Top 71%)11400(Top 692%)
23M23.00 mi1.25 mi19264-44712015-16812015-16823236(Top 82%)13448(Top 84%)13448(Top 816%)
24M24.00 mi1.00 mi20088-82412351-33612351-33627223(Top 96%)15392(Top 96%)15392(Top 934%)
40K24.85 mi0.85 mi20961-87312727-37612727-37628046(Top 99%)15857(Top 98%)15857(Top 962%)
25.2M25.20 mi0.35 mi21372-41112902-17512902-17528308(Top 100%)16037(Top 100%)16037(Top 973%)
Finish26.22 mi1.02 mi22363-99113326-42413326-42428355(Top 100%)16070(Top 100%)16070(Top 975%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18912

Males

12013

M55-59

12013

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18053

Males

11679

M55-59

11679

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18912

Males

12013

M55-59

12013

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18366

Males

11774

M55-59

11774

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

19042

Males

12082

M55-59

12082

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17959

Males

11510

M55-59

11510

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18265

Males

11493

M55-59

11493

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19255

Males

11809

M55-59

11809

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23644

Males

13746

M55-59

13746

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18774

Males

11400

M55-59

11400

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23236

Males

13448

M55-59

13448

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27223

Males

15392

M55-59

15392

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28046

Males

15857

M55-59

15857

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28308

Males

16037

M55-59

16037

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

28355

Males

16070

M55-59

16070

Passing Analysis

Category:
Athletes Passed
1104
Passed By
6035
Net Change
-4931
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17432
5K → 10K164478-314#17432#17746
10K → 15K86476-390#17746#18136
15K → 20K190193-3#18136#18139
20K → Half3458-24#18139#18163
Half → 25K196133+63#18163#18100
25K → 30K241262-21#18100#18121
30K → 20M88185-97#18121#18218
20M → 21M19606-587#18218#18805
21M → 35K5668-12#18805#18817
35K → 23M21468-447#18817#19264
23M → 24M6830-824#19264#20088
24M → 40K0873-873#20088#20961
40K → 25.2M1412-411#20961#21372
25.2M → Finish2993-991#21372#22363
TOTALS11046035-4931
📊

Passing Visuals

Category:
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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