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BOSTON MARATHON 2025

Thomas Chalet

Bib: 1518 M FR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M40-44)
#0 / 2247
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:01/mi
18:43
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:02/mi
37:29
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:06/mi
56:26
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:17/mi
1:15:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:08/mi
1:20:08
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:19/mi
1:35:26
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:34/mi
1:55:51
↑ 181↓ 1480.2%
138 ft elev
20M
6:44/mi
2:05:00
↑ 64↓ 500.2%
148 ft elev
21M
7:30/mi
2:12:30
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:21/mi
2:17:15
↑ 17↓ 861.7%
156 ft elev
23M
6:47/mi
2:25:45
↑ 23↓ 630.6%
116 ft elev
24M
6:27/mi
2:32:12
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:35/mi
2:37:50
↓ 200.3%
20 ft elev
25.2M
7:12/mi
2:40:19
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:15/mi
2:46:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:08
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:26:33
Pace6:36 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0918:436:0118:43
6:01
-
10K
6.21 mi10:37:5537:296:0218:46
6:02
+0:01
15K
9.32 mi10:56:5256:266:0318:57
6:06
+0:04
20K
12.43 mi11:16:231:15:576:0719:31
6:17
+0:11
Half
13.11 mi11:20:341:20:086:074:11
6:08
-0:09
25K
15.53 mi11:35:521:35:266:0915:18
6:19
+0:11
30K
18.64 mi11:56:171:55:516:1320:25
6:34
+0:15
20M
20.00 mi12:05:262:05:006:159:09
6:44
+0:10
21M
21.00 mi12:12:562:12:306:197:30
7:30
+0:46
35K
21.75 mi12:17:412:17:156:194:45
6:21
-1:09
23M
23.00 mi12:26:112:25:456:208:30
6:47
+0:26
24M
24.00 mi12:32:382:32:126:216:27
6:27
-0:20
40K
24.85 mi12:38:162:37:506:215:38
6:35
+0:08
25.2M
25.20 mi12:40:452:40:196:222:29
7:12
+0:37
Finish
26.22 mi12:47:072:46:416:226:22
6:15
-0:57

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

6:01 /mi

Average Pace

6:22 /mi

Slowest Pace

7:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:37

36% of race

Time at Steady Pace

52:23

31% of race

Time at Slower Pace

53:41

32% of race

Average Pace: 6:21 /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 mi10:19:0918:436:0118:43
6:01
#1147
10K
6.21 mi10:37:5537:296:0218:46
6:02
#1175
15K
9.32 mi10:56:5256:266:0318:57
6:06
#1222
20K
12.43 mi11:16:231:15:576:0719:31
6:17
#1385
Half
13.11 mi11:20:341:20:086:074:11
6:08
#1389
25K
15.53 mi11:35:521:35:266:0915:18
6:19
#1448
30K
18.64 mi11:56:171:55:516:1320:25
6:34
#1558
20M
20.00 mi12:05:262:05:006:159:09
6:44
#1602
21M
21.00 mi12:12:562:12:306:197:30
7:30
#1716
35K
21.75 mi12:17:412:17:156:194:45
6:21
#1701
23M
23.00 mi12:26:112:25:456:208:30
6:47
#1725
24M
24.00 mi12:32:382:32:126:216:27
6:27
#1694
40K
24.85 mi12:38:162:37:506:215:38
6:35
#1678
25.2M
25.20 mi12:40:452:40:196:222:29
7:12
#1676
Finish
26.22 mi12:47:072:46:416:226:22
6:15
#1655
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1147108710871383(Top 5%)1315(Top 8%)1315(Top 59%)
10K6.21 mi3.10 mi1175-281112-251112-251239(Top 4%)1175(Top 7%)1175(Top 52%)
15K9.32 mi3.11 mi1222-471159-471159-471383(Top 5%)1315(Top 8%)1315(Top 59%)
20K12.43 mi3.11 mi1385-1631314-1551314-1551936(Top 7%)1844(Top 11%)1844(Top 82%)
Half13.11 mi0.68 mi1389-41318-41318-41683(Top 6%)1602(Top 10%)1602(Top 71%)
25K15.53 mi2.42 mi1448-591375-571375-571918(Top 7%)1824(Top 11%)1824(Top 81%)
30K18.64 mi3.11 mi1558-1101476-1011476-1012286(Top 8%)2165(Top 13%)2165(Top 96%)
20M20.00 mi1.36 mi1602-441518-421518-422625(Top 9%)2467(Top 15%)2467(Top 110%)
21M21.00 mi1.00 mi1716-1141628-1101628-1104612(Top 16%)4082(Top 25%)4082(Top 182%)
35K21.75 mi0.75 mi1701+151612+161612+161824(Top 6%)1713(Top 11%)1713(Top 76%)
23M23.00 mi1.25 mi1725-241635-231635-232645(Top 9%)2437(Top 15%)2437(Top 108%)
24M24.00 mi1.00 mi1694+311604+311604+311867(Top 7%)1736(Top 11%)1736(Top 77%)
40K24.85 mi0.85 mi1678+161588+161588+161939(Top 7%)1789(Top 11%)1789(Top 80%)
25.2M25.20 mi0.35 mi1676+21587+11587+12163(Top 8%)1952(Top 12%)1952(Top 87%)
Finish26.22 mi1.02 mi1655+211566+211566+211699(Top 6%)1575(Top 10%)1575(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1383

Males

1315

M40-44

1315

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

1239

Males

1175

M40-44

1175

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1383

Males

1315

M40-44

1315

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1936

Males

1844

M40-44

1844

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1683

Males

1602

M40-44

1602

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1918

Males

1824

M40-44

1824

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2286

Males

2165

M40-44

2165

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2625

Males

2467

M40-44

2467

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4612

Males

4082

M40-44

4082

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1824

Males

1713

M40-44

1713

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2645

Males

2437

M40-44

2437

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1867

Males

1736

M40-44

1736

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1939

Males

1789

M40-44

1789

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2163

Males

1952

M40-44

1952

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1699

Males

1575

M40-44

1575

Passing Analysis

Category:
Athletes Passed
381
Passed By
889
Net Change
-508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1147
5K → 10K4977-28#1147#1175
10K → 15K2370-47#1175#1222
15K → 20K12175-163#1222#1385
20K → Half812-4#1385#1389
Half → 25K2382-59#1389#1448
25K → 30K32142-110#1448#1558
30K → 20M2569-44#1558#1602
20M → 21M14128-114#1602#1716
21M → 35K249+15#1716#1701
35K → 23M3559-24#1701#1725
23M → 24M4514+31#1725#1694
24M → 40K3519+16#1694#1678
40K → 25.2M1614+2#1678#1676
25.2M → Finish4019+21#1676#1655
TOTALS381889-508
📊

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