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BOSTON MARATHON 2025

Chris Brooks

Bib: 27209•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
8:58/mi
27:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:58/mi
55:45
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:24:03
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
1:54:42
↑ 106↓ 860.1%
Half· 13.11 mi
9:42/mi
2:01:19
↑ 19↓ 370.5%
25K· 15.53 mi
10:28/mi
2:26:41
↑ 66↓ 880.2%
30K· 18.64 mi
11:07/mi
3:01:13
↑ 181↓ 1480.2%
20M
11:02/mi
3:16:13
↑ 64↓ 500.2%
21M
11:56/mi
3:28:09
↑ 106↓ 241.6%
35K· 21.75 mi
11:14/mi
3:36:33
↑ 17↓ 861.7%
23M
11:11/mi
3:50:33
↑ 23↓ 630.6%
24M
11:02/mi
4:01:35
↓ 821.3%
40K· 24.85 mi
11:38/mi
4:11:32
↓ 200.3%
25.2M
13:20/mi
4:16:08
↑ 13↓ 160.2%
Finish· 26.22 mi
10:13/mi
4:26:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:19
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:25:14
Pace11:05 /mi
📊Positive Split: 19.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0627:538:5827:53
8:58
-
10K
6.21 mi12:11:5855:458:5827:52
8:58
0:00
15K
9.32 mi12:40:161:24:039:0128:18
9:07
+0:09
20K
12.43 mi13:10:551:54:429:1430:39
9:52
+0:45
Half
13.11 mi13:17:322:01:199:156:37
9:42
-0:10
25K
15.53 mi13:42:542:26:419:2725:22
10:28
+0:46
30K
18.64 mi14:17:263:01:139:4334:32
11:07
+0:39
20M
20.00 mi14:32:263:16:139:4915:00
11:02
-0:05
21M
21.00 mi14:44:223:28:099:5511:56
11:56
+0:54
35K
21.75 mi14:52:463:36:339:578:24
11:14
-0:42
23M
23.00 mi15:06:463:50:3310:0114:00
11:11
-0:03
24M
24.00 mi15:17:484:01:3510:0411:02
11:02
-0:09
40K
24.85 mi15:27:454:11:3210:079:57
11:38
+0:36
25.2M
25.20 mi15:32:214:16:0810:104:36
13:20
+1:42
Finish
26.22 mi15:42:464:26:3310:1010:25
10:13
-3:07

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

8:58 /mi

Average Pace

10:10 /mi

Slowest Pace

13:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:44

49% of race

Time at Steady Pace

1:48:20

41% of race

Time at Slower Pace

26:29

10% of race

Average Pace: 10:10 /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 mi11:44:0627:538:5827:53
8:58
#22312
10K
6.21 mi12:11:5855:458:5827:52
8:58
#22314
15K
9.32 mi12:40:161:24:039:0128:18
9:07
#22346
20K
12.43 mi13:10:551:54:429:1430:39
9:52
#22909
Half
13.11 mi13:17:322:01:199:156:37
9:42
#22979
25K
15.53 mi13:42:542:26:419:2725:22
10:28
#23248
30K
18.64 mi14:17:263:01:139:4334:32
11:07
#23463
20M
20.00 mi14:32:263:16:139:4915:00
11:02
#23465
21M
21.00 mi14:44:223:28:099:5511:56
11:56
#23471
35K
21.75 mi14:52:463:36:339:578:24
11:14
#23529
23M
23.00 mi15:06:463:50:3310:0114:00
11:11
#23532
24M
24.00 mi15:17:484:01:3510:0411:02
11:02
#23571
40K
24.85 mi15:27:454:11:3210:079:57
11:38
#23636
25.2M
25.20 mi15:32:214:16:0810:104:36
13:20
#23679
Finish
26.22 mi15:42:464:26:3310:1010:25
10:13
#23650
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22312134471344722488(Top 79%)13603(Top 84%)13603(Top 241%)
10K6.21 mi3.10 mi22314-213465-1813465-1822250(Top 78%)13451(Top 84%)13451(Top 238%)
15K9.32 mi3.11 mi22346-3213510-4513510-4522488(Top 79%)13603(Top 84%)13603(Top 241%)
20K12.43 mi3.11 mi22909-56313772-26213772-26223921(Top 84%)14198(Top 88%)14198(Top 252%)
Half13.11 mi0.68 mi22979-7013805-3313805-3324086(Top 85%)14272(Top 89%)14272(Top 253%)
25K15.53 mi2.42 mi23248-26913921-11613921-11624291(Top 86%)14324(Top 89%)14324(Top 254%)
30K18.64 mi3.11 mi23463-21513964-4313964-4324223(Top 85%)14176(Top 88%)14176(Top 251%)
20M20.00 mi1.36 mi23465-213951+1313951+1323662(Top 83%)13828(Top 86%)13828(Top 245%)
21M21.00 mi1.00 mi23471-613926+2513926+2523478(Top 83%)13667(Top 85%)13667(Top 242%)
35K21.75 mi0.75 mi23529-5813941-1513941-1524653(Top 87%)14185(Top 88%)14185(Top 251%)
23M23.00 mi1.25 mi23532-313927+1413927+1423631(Top 83%)13656(Top 85%)13656(Top 242%)
24M24.00 mi1.00 mi23571-3913923+413923+424054(Top 85%)13850(Top 86%)13850(Top 245%)
40K24.85 mi0.85 mi23636-6513938-1513938-1524367(Top 86%)13945(Top 87%)13945(Top 247%)
25.2M25.20 mi0.35 mi23679-4313954-1613954-1625475(Top 90%)14476(Top 90%)14476(Top 257%)
Finish26.22 mi1.02 mi23650+2913923+3113923+3123585(Top 83%)13557(Top 84%)13557(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22488

Males

13603

M18-39

13603

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22250

Males

13451

M18-39

13451

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22488

Males

13603

M18-39

13603

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23921

Males

14198

M18-39

14198

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24086

Males

14272

M18-39

14272

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24291

Males

14324

M18-39

14324

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24223

Males

14176

M18-39

14176

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23662

Males

13828

M18-39

13828

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23478

Males

13667

M18-39

13667

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24653

Males

14185

M18-39

14185

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23631

Males

13656

M18-39

13656

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24054

Males

13850

M18-39

13850

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24367

Males

13945

M18-39

13945

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25475

Males

14476

M18-39

14476

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23585

Males

13557

M18-39

13557

Passing Analysis

Category:
Athletes Passed
1031
Passed By
2369
Net Change
-1338
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22312
5K → 10K256258-2#22312#22314
10K → 15K182214-32#22314#22346
15K → 20K54617-563#22346#22909
20K → Half1686-70#22909#22979
Half → 25K51320-269#22979#23248
25K → 30K97312-215#23248#23463
30K → 20M7274-2#23463#23465
20M → 21M7985-6#23465#23471
21M → 35K3088-58#23471#23529
35K → 23M7477-3#23529#23532
23M → 24M3675-39#23532#23571
24M → 40K2085-65#23571#23636
40K → 25.2M750-43#23636#23679
25.2M → Finish5728+29#23679#23650
TOTALS10312369-1338
📊

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