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BOSTON MARATHON 2025

Christopher Marshall

Bib: 9600•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:28
Rank: #7146
Start → 5K
21:28 | 6:55/mi
10K· 6.21 mi
42:55
Rank: #7202 (-56)
5K → 10K
21:27 | 6:54/mi
15K· 9.32 mi
1:04:35
Rank: #7298 (-96)
10K → 15K
21:40 | 6:58/mi
20K· 12.43 mi
1:26:54
Rank: #7447 (-149)
15K → 20K
22:19 | 7:11/mi
Half· 13.11 mi
1:31:48
Rank: #7512 (-65)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:49:46
Rank: #7702 (-190)
Half → 25K
17:58 | 7:25/mi
30K· 18.64 mi
2:15:11
Rank: #8442 (-740)
25K → 30K
25:25 | 8:11/mi
20M
2:26:38
Rank: #8794 (-352)
30K → 20M
11:27 | 8:26/mi
21M
2:35:05
Rank: #8842 (-48)
20M → 21M
8:27 | 8:27/mi
35K· 21.75 mi
2:41:22
Rank: #9089 (-247)
21M → 35K
6:17 | 8:24/mi
23M
2:52:16
Rank: #9408 (-319)
35K → 23M
10:54 | 8:42/mi
24M
3:00:18
Rank: #9472 (-64)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:07:21
Rank: #9553 (-81)
24M → 40K
7:03 | 8:15/mi
25.2M
3:10:27
Rank: #9575 (-22)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:18:31
Rank: #9683 (-108)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:48
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:46:43
Pace8:08 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1321:286:5521:28
6:55
-
10K
6.21 mi11:08:4042:556:5421:27
6:54
-0:01
15K
9.32 mi11:30:201:04:356:5621:40
6:58
+0:04
20K
12.43 mi11:52:391:26:547:0022:19
7:11
+0:13
Half
13.11 mi11:57:331:31:487:004:54
7:11
0:00
25K
15.53 mi12:15:311:49:467:0417:58
7:25
+0:14
30K
18.64 mi12:40:562:15:117:1525:25
8:11
+0:46
20M
20.00 mi12:52:232:26:387:2011:27
8:26
+0:15
21M
21.00 mi13:00:502:35:057:238:27
8:27
+0:01
35K
21.75 mi13:07:072:41:227:256:17
8:24
-0:03
23M
23.00 mi13:18:012:52:167:2910:54
8:42
+0:18
24M
24.00 mi13:26:033:00:187:318:02
8:02
-0:40
40K
24.85 mi13:33:063:07:217:327:03
8:15
+0:13
25.2M
25.20 mi13:36:123:10:277:333:06
8:59
+0:44
Finish
26.22 mi13:44:163:18:317:358:04
7:55
-1:04

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

6:54 /mi

Average Pace

7:35 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:46

55% of race

Time at Steady Pace

48:34

24% of race

Time at Slower Pace

40:11

20% of race

Average Pace: 7:34 /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 mi10:47:1321:286:5521:28
6:55
#7146
10K
6.21 mi11:08:4042:556:5421:27
6:54
#7202
15K
9.32 mi11:30:201:04:356:5621:40
6:58
#7298
20K
12.43 mi11:52:391:26:547:0022:19
7:11
#7447
Half
13.11 mi11:57:331:31:487:004:54
7:11
#7512
25K
15.53 mi12:15:311:49:467:0417:58
7:25
#7702
30K
18.64 mi12:40:562:15:117:1525:25
8:11
#8442
20M
20.00 mi12:52:232:26:387:2011:27
8:26
#8794
21M
21.00 mi13:00:502:35:057:238:27
8:27
#8842
35K
21.75 mi13:07:072:41:227:256:17
8:24
#9089
23M
23.00 mi13:18:012:52:167:2910:54
8:42
#9408
24M
24.00 mi13:26:033:00:187:318:02
8:02
#9472
40K
24.85 mi13:33:063:07:217:327:03
8:15
#9553
25.2M
25.20 mi13:36:123:10:277:333:06
8:59
#9575
Finish
26.22 mi13:44:163:18:317:358:04
7:55
#9683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7146641564157458(Top 26%)6584(Top 41%)6584(Top 117%)
10K6.21 mi3.10 mi7202-566449-346449-347261(Top 26%)6483(Top 40%)6483(Top 115%)
15K9.32 mi3.11 mi7298-966506-576506-577458(Top 26%)6584(Top 41%)6584(Top 117%)
20K12.43 mi3.11 mi7447-1496595-896595-898056(Top 28%)6910(Top 43%)6910(Top 122%)
Half13.11 mi0.68 mi7512-656638-436638-438912(Top 31%)7434(Top 46%)7434(Top 132%)
25K15.53 mi2.42 mi7702-1906745-1076745-1079237(Top 33%)7470(Top 46%)7470(Top 132%)
30K18.64 mi3.11 mi8442-7407144-3997144-39912662(Top 45%)8976(Top 56%)8976(Top 159%)
20M20.00 mi1.36 mi8794-3527312-1687312-16813290(Top 47%)9113(Top 57%)9113(Top 162%)
21M21.00 mi1.00 mi8842-487315-37315-310140(Top 36%)7437(Top 46%)7437(Top 132%)
35K21.75 mi0.75 mi9089-2477429-1147429-11414801(Top 52%)9618(Top 60%)9618(Top 170%)
23M23.00 mi1.25 mi9408-3197570-1417570-14114555(Top 51%)9411(Top 58%)9411(Top 167%)
24M24.00 mi1.00 mi9472-647561+97561+911454(Top 40%)7875(Top 49%)7875(Top 140%)
40K24.85 mi0.85 mi9553-817573-127573-1211805(Top 42%)7956(Top 49%)7956(Top 141%)
25.2M25.20 mi0.35 mi9575-227567+67567+611665(Top 41%)7799(Top 48%)7799(Top 138%)
Finish26.22 mi1.02 mi9683-1087574-77574-712256(Top 43%)8159(Top 51%)8159(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7458

Males

6584

M18-39

6584

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7261

Males

6483

M18-39

6483

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7458

Males

6584

M18-39

6584

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

8056

Males

6910

M18-39

6910

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8912

Males

7434

M18-39

7434

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9237

Males

7470

M18-39

7470

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12662

Males

8976

M18-39

8976

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13290

Males

9113

M18-39

9113

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10140

Males

7437

M18-39

7437

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14801

Males

9618

M18-39

9618

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14555

Males

9411

M18-39

9411

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11454

Males

7875

M18-39

7875

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11805

Males

7956

M18-39

7956

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11665

Males

7799

M18-39

7799

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12256

Males

8159

M18-39

8159

Passing Analysis

Category:
Athletes Passed
866
Passed By
3403
Net Change
-2537
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7146
5K → 10K181237-56#7146#7202
10K → 15K101197-96#7202#7298
15K → 20K88237-149#7298#7447
20K → Half1075-65#7447#7512
Half → 25K58248-190#7512#7702
25K → 30K56796-740#7702#8442
30K → 20M35387-352#8442#8794
20M → 21M80128-48#8794#8842
21M → 35K21268-247#8842#9089
35K → 23M48367-319#9089#9408
23M → 24M73137-64#9408#9472
24M → 40K45126-81#9472#9553
40K → 25.2M2850-22#9553#9575
25.2M → Finish42150-108#9575#9683
TOTALS8663403-2537
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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