Boston Marathon logo
BOSTON MARATHON 2025

Christopher Stevens

Bib: 31955•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
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

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
10:12/mi
31:41
↑ 97↓ 3451.5%
10K· 6.21 mi
10:58/mi
1:05:44
↑ 79↓ 1380.4%
15K· 9.32 mi
11:22/mi
1:41:04
↑ 67↓ 78
20K· 12.43 mi
11:44/mi
2:17:30
↑ 106↓ 860.1%
Half· 13.11 mi
10:43/mi
2:24:49
↑ 19↓ 370.5%
25K· 15.53 mi
11:49/mi
2:53:27
↑ 66↓ 880.2%
30K· 18.64 mi
13:34/mi
3:35:35
↑ 181↓ 1480.2%
20M
14:06/mi
3:54:45
↑ 64↓ 500.2%
21M
14:11/mi
4:08:56
↑ 106↓ 241.6%
35K· 21.75 mi
11:58/mi
4:17:53
↑ 17↓ 861.7%
23M
13:02/mi
4:34:12
↑ 23↓ 630.6%
24M
12:52/mi
4:47:03
↓ 821.3%
40K· 24.85 mi
12:52/mi
4:58:03
↓ 200.3%
25.2M
13:15/mi
5:02:37
↑ 13↓ 160.2%
Finish· 26.22 mi
10:56/mi
5:13:45
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:49
Pace11:03 /mi
2nd Half
Distance13.11 mi
Time2:48:56
Pace12:53 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5631:4110:1231:41
10:12
-
10K
6.21 mi12:26:591:05:4410:3534:03
10:58
+0:46
15K
9.32 mi13:02:191:41:0410:5135:20
11:22
+0:24
20K
12.43 mi13:38:452:17:3011:0436:26
11:44
+0:22
Half
13.11 mi13:46:042:24:4911:037:19
10:43
-1:01
25K
15.53 mi14:14:422:53:2711:1028:38
11:49
+1:06
30K
18.64 mi14:56:503:35:3511:3442:08
13:34
+1:45
20M
20.00 mi15:16:003:54:4511:4419:10
14:06
+0:32
21M
21.00 mi15:30:114:08:5611:5114:11
14:11
+0:05
35K
21.75 mi15:39:084:17:5311:518:57
11:58
-2:13
23M
23.00 mi15:55:274:34:1211:5516:19
13:02
+1:04
24M
24.00 mi16:08:184:47:0311:5812:51
12:52
-0:10
40K
24.85 mi16:19:184:58:0311:5911:00
12:52
0:00
25.2M
25.20 mi16:23:525:02:3712:014:34
13:15
+0:23
Finish
26.22 mi16:35:005:13:4511:5911:08
10:56
-2:19

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

10:12 /mi

Average Pace

11:59 /mi

Slowest Pace

14:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:11

27% of race

Time at Steady Pace

1:49:21

35% of race

Time at Slower Pace

2:00:13

38% of race

Average Pace: 11:58 /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 mi11:52:5631:4110:1231:41
10:12
#26054
10K
6.21 mi12:26:591:05:4410:3534:03
10:58
#26645
15K
9.32 mi13:02:191:41:0410:5135:20
11:22
#26863
20K
12.43 mi13:38:452:17:3011:0436:26
11:44
#26872
Half
13.11 mi13:46:042:24:4911:037:19
10:43
#26833
25K
15.53 mi14:14:422:53:2711:1028:38
11:49
#26737
30K
18.64 mi14:56:503:35:3511:3442:08
13:34
#26861
20M
20.00 mi15:16:003:54:4511:4419:10
14:06
#26938
21M
21.00 mi15:30:114:08:5611:5114:11
14:11
#26931
35K
21.75 mi15:39:084:17:5311:518:57
11:58
#26899
23M
23.00 mi15:55:274:34:1211:5516:19
13:02
#26892
24M
24.00 mi16:08:184:47:0311:5812:51
12:52
#26877
40K
24.85 mi16:19:184:58:0311:5911:00
12:52
#26860
25.2M
25.20 mi16:23:525:02:3712:014:34
13:15
#26832
Finish
26.22 mi16:35:005:13:4511:5911:08
10:56
#26797
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi26054151991519927115(Top 95%)15601(Top 97%)15601(Top 694%)
10K6.21 mi3.10 mi26645-59115447-24815447-24827011(Top 95%)15563(Top 97%)15563(Top 693%)
15K9.32 mi3.11 mi26863-21815522-7515522-7527115(Top 95%)15601(Top 97%)15601(Top 694%)
20K12.43 mi3.11 mi26872-915519+315519+326875(Top 95%)15490(Top 96%)15490(Top 689%)
Half13.11 mi0.68 mi26833+3915502+1715502+1726144(Top 92%)15174(Top 94%)15174(Top 675%)
25K15.53 mi2.42 mi26737+9615446+5615446+5626226(Top 92%)15173(Top 94%)15173(Top 675%)
30K18.64 mi3.11 mi26861-12415476-3015476-3027186(Top 96%)15518(Top 96%)15518(Top 691%)
20M20.00 mi1.36 mi26938-7715503-2715503-2727369(Top 96%)15552(Top 97%)15552(Top 692%)
21M21.00 mi1.00 mi26931+715493+1015493+1026423(Top 93%)15088(Top 94%)15088(Top 671%)
35K21.75 mi0.75 mi26899+3215476+1715476+1725820(Top 91%)14744(Top 92%)14744(Top 656%)
23M23.00 mi1.25 mi26892+715468+815468+826407(Top 93%)15040(Top 93%)15040(Top 669%)
24M24.00 mi1.00 mi26877+1515442+2615442+2626688(Top 94%)15149(Top 94%)15149(Top 674%)
40K24.85 mi0.85 mi26860+1715429+1315429+1326139(Top 92%)14860(Top 92%)14860(Top 661%)
25.2M25.20 mi0.35 mi26832+2815410+1915410+1925365(Top 89%)14431(Top 90%)14431(Top 642%)
Finish26.22 mi1.02 mi26797+3515392+1815392+1825222(Top 89%)14401(Top 89%)14401(Top 641%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

27115

Males

15601

M40-44

15601

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

27011

Males

15563

M40-44

15563

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

27115

Males

15601

M40-44

15601

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26875

Males

15490

M40-44

15490

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26144

Males

15174

M40-44

15174

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26226

Males

15173

M40-44

15173

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27186

Males

15518

M40-44

15518

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27369

Males

15552

M40-44

15552

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26423

Males

15088

M40-44

15088

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25820

Males

14744

M40-44

14744

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26407

Males

15040

M40-44

15040

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26688

Males

15149

M40-44

15149

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26139

Males

14860

M40-44

14860

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25365

Males

14431

M40-44

14431

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25222

Males

14401

M40-44

14401

Passing Analysis

Category:
Athletes Passed
672
Passed By
1415
Net Change
-743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26054
5K → 10K37628-591#26054#26645
10K → 15K58276-218#26645#26863
15K → 20K101110-9#26863#26872
20K → Half401+39#26872#26833
Half → 25K13236+96#26833#26737
25K → 30K48172-124#26737#26861
30K → 20M2198-77#26861#26938
20M → 21M2720+7#26938#26931
21M → 35K364+32#26931#26899
35K → 23M3528+7#26899#26892
23M → 24M4126+15#26892#26877
24M → 40K258+17#26877#26860
40K → 25.2M280+28#26860#26832
25.2M → Finish438+35#26832#26797
TOTALS6721415-743
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing