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BOSTON MARATHON 2025

Thomas Gerou

Bib: 22592•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 41%
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
8:35/mi
26:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
52:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:31/mi
1:19:18
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:45:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:51:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:37/mi
2:12:30
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:41:34
↑ 181↓ 1480.2%
20M
9:36/mi
2:54:37
↑ 64↓ 500.2%
21M
10:11/mi
3:04:48
↑ 106↓ 241.6%
35K· 21.75 mi
10:08/mi
3:12:23
↑ 17↓ 861.7%
23M
11:07/mi
3:26:18
↑ 23↓ 630.6%
24M
10:24/mi
3:36:42
↓ 821.3%
40K· 24.85 mi
11:23/mi
3:46:26
↓ 200.3%
25.2M
12:37/mi
3:50:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
3:59:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:37
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:08:19
Pace9:47 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1326:418:3526:41
8:35
-
10K
6.21 mi11:49:2152:498:3026:08
8:25
-0:10
15K
9.32 mi12:15:501:19:188:3026:29
8:31
+0:06
20K
12.43 mi12:42:181:45:468:3126:28
8:31
0:00
Half
13.11 mi12:48:091:51:378:315:51
8:34
+0:03
25K
15.53 mi13:09:022:12:308:3220:53
8:37
+0:03
30K
18.64 mi13:38:062:41:348:4029:04
9:21
+0:44
20M
20.00 mi13:51:092:54:378:4413:03
9:36
+0:15
21M
21.00 mi14:01:203:04:488:4810:11
10:11
+0:35
35K
21.75 mi14:08:553:12:238:517:35
10:08
-0:03
23M
23.00 mi14:22:503:26:188:5813:55
11:07
+0:59
24M
24.00 mi14:33:143:36:429:0210:24
10:24
-0:43
40K
24.85 mi14:42:583:46:269:079:44
11:23
+0:59
25.2M
25.20 mi14:47:193:50:479:094:21
12:37
+1:14
Finish
26.22 mi14:56:283:59:569:099:09
8:59
-3:38

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

8:25 /mi

Average Pace

9:09 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:30

55% of race

Time at Steady Pace

51:16

21% of race

Time at Slower Pace

56:10

23% of race

Average Pace: 9:09 /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 mi11:23:1326:418:3526:41
8:35
#20388
10K
6.21 mi11:49:2152:498:3026:08
8:25
#19841
15K
9.32 mi12:15:501:19:188:3026:29
8:31
#19711
20K
12.43 mi12:42:181:45:468:3126:28
8:31
#19334
Half
13.11 mi12:48:091:51:378:315:51
8:34
#19342
25K
15.53 mi13:09:022:12:308:3220:53
8:37
#19086
30K
18.64 mi13:38:062:41:348:4029:04
9:21
#19150
20M
20.00 mi13:51:092:54:378:4413:03
9:36
#19174
21M
21.00 mi14:01:203:04:488:4810:11
10:11
#19175
35K
21.75 mi14:08:553:12:238:517:35
10:08
#19345
23M
23.00 mi14:22:503:26:188:5813:55
11:07
#19750
24M
24.00 mi14:33:143:36:429:0210:24
10:24
#19946
40K
24.85 mi14:42:583:46:269:079:44
11:23
#20221
25.2M
25.20 mi14:47:193:50:479:094:21
12:37
#20352
Finish
26.22 mi14:56:283:59:569:099:09
8:59
#20338
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20388125941259419469(Top 69%)12262(Top 76%)12262(Top 1919%)
10K6.21 mi3.10 mi19841+54712404+19012404+19019256(Top 68%)12170(Top 76%)12170(Top 1905%)
15K9.32 mi3.11 mi19711+13012356+4812356+4819469(Top 69%)12262(Top 76%)12262(Top 1919%)
20K12.43 mi3.11 mi19334+37712177+17912177+17918365(Top 65%)11773(Top 73%)11773(Top 1842%)
Half13.11 mi0.68 mi19342-812182-512182-519664(Top 69%)12338(Top 77%)12338(Top 1931%)
25K15.53 mi2.42 mi19086+25612068+11412068+11417875(Top 63%)11473(Top 71%)11473(Top 1795%)
30K18.64 mi3.11 mi19150-6412051+1712051+1719369(Top 68%)11996(Top 74%)11996(Top 1877%)
20M20.00 mi1.36 mi19174-2412044+712044+719616(Top 69%)11978(Top 74%)11978(Top 1874%)
21M21.00 mi1.00 mi19175-112020+2412020+2418968(Top 67%)11602(Top 72%)11602(Top 1816%)
35K21.75 mi0.75 mi19345-17012076-5612076-5622257(Top 78%)13034(Top 81%)13034(Top 2040%)
23M23.00 mi1.25 mi19750-40512213-13712213-13723478(Top 83%)13579(Top 84%)13579(Top 2125%)
24M24.00 mi1.00 mi19946-19612276-6312276-6322521(Top 79%)13063(Top 81%)13063(Top 2044%)
40K24.85 mi0.85 mi20221-27512385-10912385-10923919(Top 84%)13728(Top 85%)13728(Top 2148%)
25.2M25.20 mi0.35 mi20352-13112447-6212447-6224390(Top 86%)13950(Top 87%)13950(Top 2183%)
Finish26.22 mi1.02 mi20338+1412427+2012427+2018920(Top 67%)11320(Top 70%)11320(Top 1772%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19469

Males

12262

M65-69

12262

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19256

Males

12170

M65-69

12170

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19469

Males

12262

M65-69

12262

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18365

Males

11773

M65-69

11773

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19664

Males

12338

M65-69

12338

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17875

Males

11473

M65-69

11473

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19369

Males

11996

M65-69

11996

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19616

Males

11978

M65-69

11978

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

18968

Males

11602

M65-69

11602

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22257

Males

13034

M65-69

13034

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23478

Males

13579

M65-69

13579

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22521

Males

13063

M65-69

13063

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23919

Males

13728

M65-69

13728

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24390

Males

13950

M65-69

13950

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

18920

Males

11320

M65-69

11320

Passing Analysis

Category:
Athletes Passed
2222
Passed By
2172
Net Change
+50
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20388
5K → 10K660113+547#20388#19841
10K → 15K253123+130#19841#19711
15K → 20K42346+377#19711#19334
20K → Half2836-8#19334#19342
Half → 25K30145+256#19342#19086
25K → 30K211275-64#19086#19150
30K → 20M93117-24#19150#19174
20M → 21M9899-1#19174#19175
21M → 35K24194-170#19175#19345
35K → 23M20425-405#19345#19750
23M → 24M27223-196#19750#19946
24M → 40K15290-275#19946#20221
40K → 25.2M5136-131#20221#20352
25.2M → Finish6450+14#20352#20338
TOTALS22222172+50
📊

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