Boston Marathon logo
BOSTON MARATHON 2025

Christopher Duval

Bib: 19396•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:09
Rank: #17297
Start → 5K
25:09 | 8:06/mi
10K· 6.21 mi
50:23
Rank: #17311 (-14)
5K → 10K
25:14 | 8:07/mi
15K· 9.32 mi
1:15:18
Rank: #16913 (+398)
10K → 15K
24:55 | 8:01/mi
20K· 12.43 mi
1:40:32
Rank: #16597 (+316)
15K → 20K
25:14 | 8:07/mi
Half· 13.11 mi
1:46:01
Rank: #16576 (+21)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:05:42
Rank: #16259 (+317)
Half → 25K
19:41 | 8:07/mi
30K· 18.64 mi
2:31:35
Rank: #15757 (+502)
25K → 30K
25:53 | 8:20/mi
20M
2:42:53
Rank: #15449 (+308)
30K → 20M
11:18 | 8:19/mi
21M
2:51:30
Rank: #15146 (+303)
20M → 21M
8:37 | 8:37/mi
35K· 21.75 mi
2:57:35
Rank: #15057 (+89)
21M → 35K
6:05 | 8:08/mi
23M
3:08:05
Rank: #14847 (+210)
35K → 23M
10:30 | 8:23/mi
24M
3:16:07
Rank: #14691 (+156)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:23:08
Rank: #14544 (+147)
24M → 40K
7:01 | 8:12/mi
25.2M
3:26:14
Rank: #14491 (+53)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:34:16
Rank: #14359 (+132)
25.2M → Finish
8:02 | 7:53/mi

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
Time1:46:01
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:48:15
Pace8:15 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3625:098:0625:09
8:06
-
10K
6.21 mi11:42:5050:238:0725:14
8:07
+0:01
15K
9.32 mi12:07:451:15:188:0524:55
8:01
-0:06
20K
12.43 mi12:32:591:40:328:0525:14
8:07
+0:06
Half
13.11 mi12:38:281:46:018:055:29
8:02
-0:05
25K
15.53 mi12:58:092:05:428:0619:41
8:07
+0:05
30K
18.64 mi13:24:022:31:358:0825:53
8:20
+0:13
20M
20.00 mi13:35:202:42:538:0911:18
8:19
-0:01
21M
21.00 mi13:43:572:51:308:108:37
8:37
+0:18
35K
21.75 mi13:50:022:57:358:106:05
8:08
-0:29
23M
23.00 mi14:00:323:08:058:1110:30
8:23
+0:15
24M
24.00 mi14:08:343:16:078:108:02
8:02
-0:21
40K
24.85 mi14:15:353:23:088:107:01
8:12
+0:10
25.2M
25.20 mi14:18:413:26:148:113:06
8:59
+0:47
Finish
26.22 mi14:26:433:34:168:118:02
7:53
-1:06

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

7:53 /mi

Average Pace

8:11 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:10

99% of race

Time at Steady Pace

3:06

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:17:3625:098:0625:09
8:06
#17297
10K
6.21 mi11:42:5050:238:0725:14
8:07
#17311
15K
9.32 mi12:07:451:15:188:0524:55
8:01
#16913
20K
12.43 mi12:32:591:40:328:0525:14
8:07
#16597
Half
13.11 mi12:38:281:46:018:055:29
8:02
#16576
25K
15.53 mi12:58:092:05:428:0619:41
8:07
#16259
30K
18.64 mi13:24:022:31:358:0825:53
8:20
#15757
20M
20.00 mi13:35:202:42:538:0911:18
8:19
#15449
21M
21.00 mi13:43:572:51:308:108:37
8:37
#15146
35K
21.75 mi13:50:022:57:358:106:05
8:08
#15057
23M
23.00 mi14:00:323:08:058:1110:30
8:23
#14847
24M
24.00 mi14:08:343:16:078:108:02
8:02
#14691
40K
24.85 mi14:15:353:23:088:107:01
8:12
#14544
25.2M
25.20 mi14:18:413:26:148:113:06
8:59
#14491
Finish
26.22 mi14:26:433:34:168:118:02
7:53
#14359
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17297113241132416184(Top 57%)10890(Top 68%)10890(Top 661%)
10K6.21 mi3.10 mi17311-1411343-1911343-1917345(Top 61%)11384(Top 71%)11384(Top 691%)
15K9.32 mi3.11 mi16913+39811193+15011193+15016184(Top 57%)10890(Top 68%)10890(Top 661%)
20K12.43 mi3.11 mi16597+31611050+14311050+14315782(Top 56%)10648(Top 66%)10648(Top 646%)
Half13.11 mi0.68 mi16576+2111040+1011040+1016126(Top 57%)10799(Top 67%)10799(Top 655%)
25K15.53 mi2.42 mi16259+31710894+14610894+14614744(Top 52%)10091(Top 63%)10091(Top 612%)
30K18.64 mi3.11 mi15757+50210625+26910625+26913688(Top 48%)9460(Top 59%)9460(Top 574%)
20M20.00 mi1.36 mi15449+30810456+16910456+16912581(Top 44%)8813(Top 55%)8813(Top 535%)
21M21.00 mi1.00 mi15146+30310296+16010296+16011201(Top 39%)7986(Top 50%)7986(Top 485%)
35K21.75 mi0.75 mi15057+8910242+5410242+5413132(Top 46%)8868(Top 55%)8868(Top 538%)
23M23.00 mi1.25 mi14847+21010124+11810124+11812582(Top 44%)8513(Top 53%)8513(Top 517%)
24M24.00 mi1.00 mi14691+15610022+10210022+10211486(Top 40%)7907(Top 49%)7907(Top 480%)
40K24.85 mi0.85 mi14544+1479929+939929+9311593(Top 41%)7871(Top 49%)7871(Top 478%)
25.2M25.20 mi0.35 mi14491+539893+369893+3611729(Top 41%)7863(Top 49%)7863(Top 477%)
Finish26.22 mi1.02 mi14359+1329805+889805+8812040(Top 42%)8062(Top 50%)8062(Top 489%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16184

Males

10890

M55-59

10890

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17345

Males

11384

M55-59

11384

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16184

Males

10890

M55-59

10890

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15782

Males

10648

M55-59

10648

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16126

Males

10799

M55-59

10799

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14744

Males

10091

M55-59

10091

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13688

Males

9460

M55-59

9460

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12581

Males

8813

M55-59

8813

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11201

Males

7986

M55-59

7986

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13132

Males

8868

M55-59

8868

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12582

Males

8513

M55-59

8513

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11486

Males

7907

M55-59

7907

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11593

Males

7871

M55-59

7871

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11729

Males

7863

M55-59

7863

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

12040

Males

8062

M55-59

8062

Passing Analysis

Category:
Athletes Passed
3528
Passed By
590
Net Change
+2938
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17297
5K → 10K290304-14#17297#17311
10K → 15K45557+398#17311#16913
15K → 20K38569+316#16913#16597
20K → Half4221+21#16597#16576
Half → 25K34124+317#16576#16259
25K → 30K53230+502#16259#15757
30K → 20M3113+308#15757#15449
20M → 21M3085+303#15449#15146
21M → 35K10314+89#15146#15057
35K → 23M23020+210#15057#14847
23M → 24M1648+156#14847#14691
24M → 40K15912+147#14691#14544
40K → 25.2M607+53#14544#14491
25.2M → Finish14816+132#14491#14359
TOTALS3528590+2938
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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