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BOSTON MARATHON 2025

Jason Roberts

Bib: 3630•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
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
20:21
Rank: #4220
Start → 5K
20:21 | 6:33/mi
10K· 6.21 mi
40:55
Rank: #4387 (-167)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:01:30
Rank: #4380 (+7)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:22:27
Rank: #4440 (-60)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:27:03
Rank: #4481 (-41)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:43:46
Rank: #4634 (-153)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:06:48
Rank: #5185 (-551)
25K → 30K
23:02 | 7:25/mi
20M
2:17:45
Rank: #5650 (-465)
30K → 20M
10:57 | 8:03/mi
21M
2:27:02
Rank: #6111 (-461)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
2:33:13
Rank: #6286 (-175)
21M → 35K
6:11 | 8:16/mi
23M
2:46:14
Rank: #7303 (-1017)
35K → 23M
13:01 | 10:24/mi
24M
2:55:56
Rank: #7958 (-655)
23M → 24M
9:42 | 9:42/mi
40K· 24.85 mi
3:04:17
Rank: #8490 (-532)
24M → 40K
8:21 | 9:46/mi
25.2M
3:08:02
Rank: #8763 (-273)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:17:25
Rank: #9333 (-570)
25.2M → Finish
9:23 | 9:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:03
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:50:22
Pace8:25 /mi
📊Positive Split: 26.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1120:216:3320:21
6:33
-
10K
6.21 mi10:43:4540:556:3520:34
6:37
+0:04
15K
9.32 mi11:04:201:01:306:3620:35
6:38
+0:01
20K
12.43 mi11:25:171:22:276:3820:57
6:45
+0:07
Half
13.11 mi11:29:531:27:036:384:36
6:45
0:00
25K
15.53 mi11:46:361:43:466:4116:43
6:54
+0:09
30K
18.64 mi12:09:382:06:486:4823:02
7:25
+0:31
20M
20.00 mi12:20:352:17:456:5310:57
8:03
+0:38
21M
21.00 mi12:29:522:27:027:009:17
9:17
+1:14
35K
21.75 mi12:36:032:33:137:036:11
8:16
-1:01
23M
23.00 mi12:49:042:46:147:1413:01
10:24
+2:08
24M
24.00 mi12:58:462:55:567:209:42
9:42
-0:42
40K
24.85 mi13:07:073:04:177:258:21
9:46
+0:04
25.2M
25.20 mi13:10:523:08:027:283:45
10:52
+1:06
Finish
26.22 mi13:20:153:17:257:329:23
9:12
-1:40

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

6:33 /mi

Average Pace

7:32 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:46

53% of race

Time at Steady Pace

40:10

20% of race

Time at Slower Pace

53:29

27% of race

Average Pace: 7:32 /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 mi10:23:1120:216:3320:21
6:33
#4220
10K
6.21 mi10:43:4540:556:3520:34
6:37
#4387
15K
9.32 mi11:04:201:01:306:3620:35
6:38
#4380
20K
12.43 mi11:25:171:22:276:3820:57
6:45
#4440
Half
13.11 mi11:29:531:27:036:384:36
6:45
#4481
25K
15.53 mi11:46:361:43:466:4116:43
6:54
#4634
30K
18.64 mi12:09:382:06:486:4823:02
7:25
#5185
20M
20.00 mi12:20:352:17:456:5310:57
8:03
#5650
21M
21.00 mi12:29:522:27:027:009:17
9:17
#6111
35K
21.75 mi12:36:032:33:137:036:11
8:16
#6286
23M
23.00 mi12:49:042:46:147:1413:01
10:24
#7303
24M
24.00 mi12:58:462:55:567:209:42
9:42
#7958
40K
24.85 mi13:07:073:04:177:258:21
9:46
#8490
25.2M
25.20 mi13:10:523:08:027:283:45
10:52
#8763
Finish
26.22 mi13:20:153:17:257:329:23
9:12
#9333
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4220397239724470(Top 16%)4191(Top 26%)4191(Top 74%)
10K6.21 mi3.10 mi4387-1674126-1544126-1544640(Top 16%)4346(Top 27%)4346(Top 77%)
15K9.32 mi3.11 mi4380+74118+84118+84470(Top 16%)4191(Top 26%)4191(Top 74%)
20K12.43 mi3.11 mi4440-604166-484166-484808(Top 17%)4451(Top 28%)4451(Top 79%)
Half13.11 mi0.68 mi4481-414200-344200-345691(Top 20%)5211(Top 32%)5211(Top 92%)
25K15.53 mi2.42 mi4634-1534321-1214321-1215648(Top 20%)5122(Top 32%)5122(Top 91%)
30K18.64 mi3.11 mi5185-5514772-4514772-4517139(Top 25%)6057(Top 38%)6057(Top 107%)
20M20.00 mi1.36 mi5650-4655152-3805152-38010804(Top 38%)7938(Top 49%)7938(Top 141%)
21M21.00 mi1.00 mi6111-4615491-3395491-33915022(Top 53%)9782(Top 61%)9782(Top 173%)
35K21.75 mi0.75 mi6286-1755623-1325623-13213980(Top 49%)9265(Top 58%)9265(Top 164%)
23M23.00 mi1.25 mi7303-10176294-6716294-67121710(Top 76%)12731(Top 79%)12731(Top 226%)
24M24.00 mi1.00 mi7958-6556675-3816675-38120353(Top 72%)12028(Top 75%)12028(Top 213%)
40K24.85 mi0.85 mi8490-5326972-2976972-29719669(Top 69%)11634(Top 72%)11634(Top 206%)
25.2M25.20 mi0.35 mi8763-2737110-1387110-13820198(Top 71%)11867(Top 74%)11867(Top 210%)
Finish26.22 mi1.02 mi9333-5707397-2877397-28719951(Top 70%)11772(Top 73%)11772(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4470

Males

4191

M18-39

4191

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4640

Males

4346

M18-39

4346

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4470

Males

4191

M18-39

4191

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4808

Males

4451

M18-39

4451

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5691

Males

5211

M18-39

5211

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5648

Males

5122

M18-39

5122

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7139

Males

6057

M18-39

6057

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10804

Males

7938

M18-39

7938

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

15022

Males

9782

M18-39

9782

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13980

Males

9265

M18-39

9265

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21710

Males

12731

M18-39

12731

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20353

Males

12028

M18-39

12028

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19669

Males

11634

M18-39

11634

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20198

Males

11867

M18-39

11867

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19951

Males

11772

M18-39

11772

Passing Analysis

Category:
Athletes Passed
468
Passed By
5581
Net Change
-5113
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4220
5K → 10K79246-167#4220#4387
10K → 15K10497+7#4387#4380
15K → 20K83143-60#4380#4440
20K → Half849-41#4440#4481
Half → 25K76229-153#4481#4634
25K → 30K52603-551#4634#5185
30K → 20M12477-465#5185#5650
20M → 21M9470-461#5650#6111
21M → 35K10185-175#6111#6286
35K → 23M101027-1017#6286#7303
23M → 24M7662-655#7303#7958
24M → 40K9541-532#7958#8490
40K → 25.2M3276-273#8490#8763
25.2M → Finish6576-570#8763#9333
TOTALS4685581-5113
📊

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