Boston Marathon logo
BOSTON MARATHON 2025

Christopher Bonelli

Bib: 31593•M

NY

0:00
0:00
/ mi
Be the first to cheer!
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
7:42/mi
23:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
47:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:11:48
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:36:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:41:43
↑ 19↓ 370.5%
25K· 15.53 mi
8:09/mi
2:01:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:27:47
↑ 181↓ 1480.2%
20M
8:35/mi
2:39:27
↑ 64↓ 500.2%
21M
10:28/mi
2:49:55
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
2:56:22
↑ 17↓ 861.7%
23M
8:38/mi
3:07:10
↑ 23↓ 630.6%
24M
8:24/mi
3:15:34
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:23:01
↓ 200.3%
25.2M
10:26/mi
3:26:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:35:11
↑ 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
Time1:41:43
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:53:28
Pace8:39 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0123:567:4223:56
7:42
-
10K
6.21 mi12:11:0247:577:4324:01
7:44
+0:02
15K
9.32 mi12:34:531:11:487:4223:51
7:41
-0:03
20K
12.43 mi12:59:221:36:177:4524:29
7:53
+0:12
Half
13.11 mi13:04:481:41:437:465:26
7:58
+0:05
25K
15.53 mi13:24:332:01:287:4919:45
8:09
+0:11
30K
18.64 mi13:50:522:27:477:5626:19
8:28
+0:19
20M
20.00 mi14:02:322:39:277:5811:40
8:35
+0:07
21M
21.00 mi14:13:002:49:558:0510:28
10:28
+1:53
35K
21.75 mi14:19:272:56:228:076:27
8:37
-1:51
23M
23.00 mi14:30:153:07:108:0810:48
8:38
+0:01
24M
24.00 mi14:38:393:15:348:098:24
8:24
-0:14
40K
24.85 mi14:46:063:23:018:107:27
8:43
+0:19
25.2M
25.20 mi14:49:423:26:378:123:36
10:26
+1:43
Finish
26.22 mi14:58:163:35:118:138:34
8:24
-2:02

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

7:41 /mi

Average Pace

8:13 /mi

Slowest Pace

10:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:43

47% of race

Time at Steady Pace

1:39:24

46% of race

Time at Slower Pace

14:04

7% of race

Average Pace: 8:12 /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 mi11:47:0123:567:4223:56
7:42
#13999
10K
6.21 mi12:11:0247:577:4324:01
7:44
#14040
15K
9.32 mi12:34:531:11:487:4223:51
7:41
#13769
20K
12.43 mi12:59:221:36:177:4524:29
7:53
#13779
Half
13.11 mi13:04:481:41:437:465:26
7:58
#13888
25K
15.53 mi13:24:332:01:287:4919:45
8:09
#14044
30K
18.64 mi13:50:522:27:477:5626:19
8:28
#14100
20M
20.00 mi14:02:322:39:277:5811:40
8:35
#14094
21M
21.00 mi14:13:002:49:558:0510:28
10:28
#14611
35K
21.75 mi14:19:272:56:228:076:27
8:37
#14646
23M
23.00 mi14:30:153:07:108:0810:48
8:38
#14579
24M
24.00 mi14:38:393:15:348:098:24
8:24
#14530
40K
24.85 mi14:46:063:23:018:107:27
8:43
#14505
25.2M
25.20 mi14:49:423:26:378:123:36
10:26
#14590
Finish
26.22 mi14:58:163:35:118:138:34
8:24
#14612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi13999100521005213247(Top 47%)9631(Top 60%)9631(Top 171%)
10K6.21 mi3.10 mi14040-4110035+1710035+1714165(Top 50%)10068(Top 63%)10068(Top 178%)
15K9.32 mi3.11 mi13769+2719894+1419894+14113247(Top 47%)9631(Top 60%)9631(Top 171%)
20K12.43 mi3.11 mi13779-109854+409854+4013921(Top 49%)9834(Top 61%)9834(Top 174%)
Half13.11 mi0.68 mi13888-1099900-469900-4615556(Top 55%)10584(Top 66%)10584(Top 188%)
25K15.53 mi2.42 mi14044-1569932-329932-3214931(Top 53%)10182(Top 63%)10182(Top 180%)
30K18.64 mi3.11 mi14100-569894+389894+3814577(Top 51%)9871(Top 61%)9871(Top 175%)
20M20.00 mi1.36 mi14094+69860+349860+3414325(Top 50%)9607(Top 60%)9607(Top 170%)
21M21.00 mi1.00 mi14611-51710066-20610066-20619880(Top 70%)11980(Top 74%)11980(Top 212%)
35K21.75 mi0.75 mi14646-3510073-710073-716156(Top 57%)10239(Top 64%)10239(Top 181%)
23M23.00 mi1.25 mi14579+6710003+7010003+7014075(Top 50%)9206(Top 57%)9206(Top 163%)
24M24.00 mi1.00 mi14530+499958+459958+4513855(Top 49%)9080(Top 56%)9080(Top 161%)
40K24.85 mi0.85 mi14505+259913+459913+4514676(Top 52%)9293(Top 58%)9293(Top 165%)
25.2M25.20 mi0.35 mi14590-859934-219934-2118726(Top 66%)11170(Top 69%)11170(Top 198%)
Finish26.22 mi1.02 mi14612-229918+169918+1615588(Top 55%)9742(Top 60%)9742(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13247

Males

9631

M18-39

9631

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14165

Males

10068

M18-39

10068

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13247

Males

9631

M18-39

9631

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13921

Males

9834

M18-39

9834

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15556

Males

10584

M18-39

10584

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14931

Males

10182

M18-39

10182

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14577

Males

9871

M18-39

9871

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14325

Males

9607

M18-39

9607

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19880

Males

11980

M18-39

11980

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16156

Males

10239

M18-39

10239

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14075

Males

9206

M18-39

9206

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13855

Males

9080

M18-39

9080

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14676

Males

9293

M18-39

9293

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18726

Males

11170

M18-39

11170

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15588

Males

9742

M18-39

9742

Passing Analysis

Category:
Athletes Passed
1780
Passed By
2393
Net Change
-613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13999
5K → 10K243284-41#13999#14040
10K → 15K34978+271#14040#13769
15K → 20K219229-10#13769#13779
20K → Half9118-109#13779#13888
Half → 25K130286-156#13888#14044
25K → 30K242298-56#14044#14100
30K → 20M120114+6#14100#14094
20M → 21M27544-517#14094#14611
21M → 35K6398-35#14611#14646
35K → 23M12356+67#14646#14579
23M → 24M9243+49#14579#14530
24M → 40K8560+25#14530#14505
40K → 25.2M15100-85#14505#14590
25.2M → Finish6385-22#14590#14612
TOTALS17802393-613
📊

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