Boston Marathon logo
BOSTON MARATHON 2025

Christopher Cornell

Bib: 13024•M

OR

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M50-54)
#0 / 1996
Top 35%
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
7:11/mi
22:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
44:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:07:46
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:30:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:54:02
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:18:04
↑ 181↓ 1480.2%
20M
7:51/mi
2:28:44
↑ 64↓ 500.2%
21M
8:20/mi
2:37:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:42:49
↑ 17↓ 861.7%
23M
8:05/mi
2:52:56
↑ 23↓ 630.6%
24M
7:32/mi
3:00:28
↓ 821.3%
40K· 24.85 mi
7:48/mi
3:07:08
↓ 200.3%
25.2M
8:36/mi
3:10:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:17:56
↑ 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
Time1:35:48
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:42:08
Pace7:47 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4322:207:1122:20
7:11
-
10K
6.21 mi11:14:1544:527:1322:32
7:15
+0:04
15K
9.32 mi11:37:091:07:467:1622:54
7:22
+0:07
20K
12.43 mi12:00:131:30:507:1923:04
7:25
+0:03
Half
13.11 mi12:05:111:35:487:184:58
7:17
-0:08
25K
15.53 mi12:23:251:54:027:2018:14
7:31
+0:14
30K
18.64 mi12:47:272:18:047:2424:02
7:44
+0:13
20M
20.00 mi12:58:072:28:447:2610:40
7:51
+0:07
21M
21.00 mi13:06:272:37:047:298:20
8:20
+0:29
35K
21.75 mi13:12:122:42:497:295:45
7:41
-0:39
23M
23.00 mi13:22:192:52:567:3110:07
8:05
+0:24
24M
24.00 mi13:29:513:00:287:317:32
7:32
-0:33
40K
24.85 mi13:36:313:07:087:326:40
7:48
+0:16
25.2M
25.20 mi13:39:293:10:067:332:58
8:36
+0:48
Finish
26.22 mi13:47:193:17:567:337:50
7:41
-0:55

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

7:11 /mi

Average Pace

7:33 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:31

89% of race

Time at Steady Pace

18:27

9% of race

Time at Slower Pace

2:58

1% of race

Average Pace: 7:33 /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 mi10:51:4322:207:1122:20
7:11
#9362
10K
6.21 mi11:14:1544:527:1322:32
7:15
#9620
15K
9.32 mi11:37:091:07:467:1622:54
7:22
#9938
20K
12.43 mi12:00:131:30:507:1923:04
7:25
#9954
Half
13.11 mi12:05:111:35:487:184:58
7:17
#9941
25K
15.53 mi12:23:251:54:027:2018:14
7:31
#9907
30K
18.64 mi12:47:272:18:047:2424:02
7:44
#9758
20M
20.00 mi12:58:072:28:447:2610:40
7:51
#9684
21M
21.00 mi13:06:272:37:047:298:20
8:20
#9633
35K
21.75 mi13:12:122:42:497:295:45
7:41
#9626
23M
23.00 mi13:22:192:52:567:3110:07
8:05
#9665
24M
24.00 mi13:29:513:00:287:317:32
7:32
#9543
40K
24.85 mi13:36:313:07:087:326:40
7:48
#9492
25.2M
25.20 mi13:39:293:10:067:332:58
8:36
#9474
Finish
26.22 mi13:47:193:17:567:337:50
7:41
#9489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi93627804780410584(Top 37%)8387(Top 52%)8387(Top 420%)
10K6.21 mi3.10 mi9620-2587975-1717975-1719935(Top 35%)8102(Top 50%)8102(Top 406%)
15K9.32 mi3.11 mi9938-3188096-1218096-12110584(Top 37%)8387(Top 52%)8387(Top 420%)
20K12.43 mi3.11 mi9954-168086+108086+1010092(Top 36%)8061(Top 50%)8061(Top 404%)
Half13.11 mi0.68 mi9941+138075+118075+119765(Top 34%)7893(Top 49%)7893(Top 395%)
25K15.53 mi2.42 mi9907+348020+558020+5510119(Top 36%)7944(Top 49%)7944(Top 398%)
30K18.64 mi3.11 mi9758+1497879+1417879+1419434(Top 33%)7394(Top 46%)7394(Top 370%)
20M20.00 mi1.36 mi9684+747806+737806+739353(Top 33%)7180(Top 45%)7180(Top 360%)
21M21.00 mi1.00 mi9633+517757+497757+499416(Top 33%)7052(Top 44%)7052(Top 353%)
35K21.75 mi0.75 mi9626+77734+237734+239930(Top 35%)7330(Top 46%)7330(Top 367%)
23M23.00 mi1.25 mi9665-397707+277707+2710584(Top 37%)7520(Top 47%)7520(Top 377%)
24M24.00 mi1.00 mi9543+1227600+1077600+1077933(Top 28%)6077(Top 38%)6077(Top 304%)
40K24.85 mi0.85 mi9492+517538+627538+628721(Top 31%)6378(Top 40%)6378(Top 320%)
25.2M25.20 mi0.35 mi9474+187509+297509+299369(Top 33%)6621(Top 41%)6621(Top 332%)
Finish26.22 mi1.02 mi9489-157476+337476+3310585(Top 37%)7293(Top 45%)7293(Top 365%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10584

Males

8387

M50-54

8387

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9935

Males

8102

M50-54

8102

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10584

Males

8387

M50-54

8387

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10092

Males

8061

M50-54

8061

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9765

Males

7893

M50-54

7893

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10119

Males

7944

M50-54

7944

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9434

Males

7394

M50-54

7394

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9353

Males

7180

M50-54

7180

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9416

Males

7052

M50-54

7052

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9930

Males

7330

M50-54

7330

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10584

Males

7520

M50-54

7520

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7933

Males

6077

M50-54

6077

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8721

Males

6378

M50-54

6378

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9369

Males

6621

M50-54

6621

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10585

Males

7293

M50-54

7293

Passing Analysis

Category:
Athletes Passed
1664
Passed By
1787
Net Change
-127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9362
5K → 10K134391-258#9362#9620
10K → 15K81398-318#9620#9938
15K → 20K184199-16#9938#9954
20K → Half3017+13#9954#9941
Half → 25K162128+34#9941#9907
25K → 30K292143+149#9907#9758
30K → 20M14671+74#9758#9684
20M → 21M11261+51#9684#9633
21M → 35K6760+7#9633#9626
35K → 23M95134-39#9626#9665
23M → 24M15331+122#9665#9543
24M → 40K9443+51#9543#9492
40K → 25.2M4426+18#9492#9474
25.2M → Finish7085-15#9474#9489
TOTALS16641787-127
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing