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BOSTON MARATHON 2025

Christopher Collier

Bib: 26433•M

PA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:12
Rank: #22749
Start → 5K
9:05/mi
28:12 split
10K· 6.21 mi
56:09
Rank: #22563 (+186)
5K → 10K
9:00/mi
27:57 split
15K· 9.32 mi
1:24:16
Rank: #22444 (+119)
10K → 15K
9:03/mi
28:07 split
20K· 12.43 mi
1:53:01
Rank: #22333 (+111)
15K → 20K
9:15/mi
28:45 split
Half· 13.11 mi
1:59:06
Rank: #22286 (+47)
20K → Half
8:55/mi
6:05 split
25K· 15.53 mi
2:21:44
Rank: #22122 (+164)
Half → 25K
9:20/mi
22:38 split
30K· 18.64 mi
2:51:07
Rank: #21665 (+457)
25K → 30K
9:27/mi
29:23 split
20M
3:03:58
Rank: #21452 (+213)
30K → 20M
9:27/mi
12:51 split
21M
3:13:49
Rank: #21249 (+203)
20M → 21M
9:51/mi
9:51 split
35K· 21.75 mi
3:20:53
Rank: #21191 (+58)
21M → 35K
9:27/mi
7:04 split
23M
3:33:21
Rank: #21127 (+64)
35K → 23M
9:57/mi
12:28 split
24M
3:43:49
Rank: #21230 (-103)
23M → 24M
10:28/mi
10:28 split
40K· 24.85 mi
3:53:06
Rank: #21294 (-64)
24M → 40K
10:51/mi
9:17 split
25.2M
3:56:55
Rank: #21290 (+4)
40K → 25.2M
11:04/mi
3:49 split
Finish· 26.22 mi
4:06:13
Rank: #21218 (+72)
25.2M → Finish
9:08/mi
9:18 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:06
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:07:07
Pace9:42 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3428:129:0528:12
9:05
-
10K
6.21 mi12:11:3156:099:0227:57
9:00
-0:05
15K
9.32 mi12:39:381:24:169:0228:07
9:03
+0:03
20K
12.43 mi13:08:231:53:019:0628:45
9:15
+0:12
Half
13.11 mi13:14:281:59:069:056:05
8:55
-0:20
25K
15.53 mi13:37:062:21:449:0722:38
9:20
+0:25
30K
18.64 mi14:06:292:51:079:1129:23
9:27
+0:07
20M
20.00 mi14:19:203:03:589:1212:51
9:27
0:00
21M
21.00 mi14:29:113:13:499:149:51
9:51
+0:24
35K
21.75 mi14:36:153:20:539:147:04
9:27
-0:24
23M
23.00 mi14:48:433:33:219:1712:28
9:57
+0:30
24M
24.00 mi14:59:113:43:499:2010:28
10:28
+0:31
40K
24.85 mi15:08:283:53:069:239:17
10:51
+0:23
25.2M
25.20 mi15:12:173:56:559:243:49
11:04
+0:13
Finish
26.22 mi15:21:354:06:139:249:18
9:08
-1:56

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

8:55 /mi

Average Pace

9:24 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:21

37% of race

Time at Steady Pace

1:49:59

45% of race

Time at Slower Pace

45:53

19% of race

Average Pace: 9:23 /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 mi11:43:3428:129:0528:12
9:05
#22749
10K
6.21 mi12:11:3156:099:0227:57
9:00
#22563
15K
9.32 mi12:39:381:24:169:0228:07
9:03
#22444
20K
12.43 mi13:08:231:53:019:0628:45
9:15
#22333
Half
13.11 mi13:14:281:59:069:056:05
8:55
#22286
25K
15.53 mi13:37:062:21:449:0722:38
9:20
#22122
30K
18.64 mi14:06:292:51:079:1129:23
9:27
#21665
20M
20.00 mi14:19:203:03:589:1212:51
9:27
#21452
21M
21.00 mi14:29:113:13:499:149:51
9:51
#21249
35K
21.75 mi14:36:153:20:539:147:04
9:27
#21191
23M
23.00 mi14:48:433:33:219:1712:28
9:57
#21127
24M
24.00 mi14:59:113:43:499:2010:28
10:28
#21230
40K
24.85 mi15:08:283:53:069:239:17
10:51
#21294
25.2M
25.20 mi15:12:173:56:559:243:49
11:04
#21290
Finish
26.22 mi15:21:354:06:139:249:18
9:08
#21218
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22749136451364522243(Top 78%)13495(Top 84%)13495(Top 601%)
10K6.21 mi3.10 mi22563+18613580+6513580+6522376(Top 79%)13512(Top 84%)13512(Top 601%)
15K9.32 mi3.11 mi22444+11913553+2713553+2722243(Top 78%)13495(Top 84%)13495(Top 601%)
20K12.43 mi3.11 mi22333+11113494+5913494+5922091(Top 78%)13398(Top 83%)13398(Top 596%)
Half13.11 mi0.68 mi22286+4713467+2713467+2721448(Top 76%)13104(Top 81%)13104(Top 583%)
25K15.53 mi2.42 mi22122+16413397+7013397+7021309(Top 75%)12990(Top 81%)12990(Top 578%)
30K18.64 mi3.11 mi21665+45713164+23313164+23319773(Top 70%)12188(Top 76%)12188(Top 542%)
20M20.00 mi1.36 mi21452+21313041+12313041+12318980(Top 67%)11690(Top 73%)11690(Top 520%)
21M21.00 mi1.00 mi21249+20312937+10412937+10417692(Top 62%)11017(Top 68%)11017(Top 490%)
35K21.75 mi0.75 mi21191+5812896+4112896+4120133(Top 71%)12036(Top 75%)12036(Top 536%)
23M23.00 mi1.25 mi21127+6412842+5412842+5420335(Top 72%)12072(Top 75%)12072(Top 537%)
24M24.00 mi1.00 mi21230-10312868-2612868-2622710(Top 80%)13163(Top 82%)13163(Top 586%)
40K24.85 mi0.85 mi21294-6412877-912877-922806(Top 80%)13146(Top 82%)13146(Top 585%)
25.2M25.20 mi0.35 mi21290+412867+1012867+1020832(Top 73%)12208(Top 76%)12208(Top 543%)
Finish26.22 mi1.02 mi21218+7212819+4812819+4819617(Top 69%)11642(Top 72%)11642(Top 518%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22243

Males

13495

M40-44

13495

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22376

Males

13512

M40-44

13512

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22243

Males

13495

M40-44

13495

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22091

Males

13398

M40-44

13398

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21448

Males

13104

M40-44

13104

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21309

Males

12990

M40-44

12990

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19773

Males

12188

M40-44

12188

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

18980

Males

11690

M40-44

11690

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17692

Males

11017

M40-44

11017

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20133

Males

12036

M40-44

12036

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20335

Males

12072

M40-44

12072

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22710

Males

13163

M40-44

13163

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22806

Males

13146

M40-44

13146

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20832

Males

12208

M40-44

12208

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19617

Males

11642

M40-44

11642

Passing Analysis

Category:
Athletes Passed
2408
Passed By
877
Net Change
+1531
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22749
5K → 10K350164+186#22749#22563
10K → 15K239120+119#22563#22444
15K → 20K230119+111#22444#22333
20K → Half569+47#22333#22286
Half → 25K23268+164#22286#22122
25K → 30K48225+457#22122#21665
30K → 20M22916+213#21665#21452
20M → 21M2107+203#21452#21249
21M → 35K8022+58#21249#21191
35K → 23M11854+64#21191#21127
23M → 24M33136-103#21127#21230
24M → 40K2993-64#21230#21294
40K → 25.2M3026+4#21294#21290
25.2M → Finish9018+72#21290#21218
TOTALS2408877+1531
📊

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