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BOSTON MARATHON 2025

Prem Itharat

Bib: 28106•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
10:13/mi
31:44
↑ 97↓ 3451.5%
10K· 6.21 mi
9:20/mi
1:00:43
↑ 79↓ 1380.4%
15K· 9.32 mi
9:37/mi
1:30:35
↑ 67↓ 78
20K· 12.43 mi
10:10/mi
2:02:09
↑ 106↓ 860.1%
Half· 13.11 mi
9:40/mi
2:08:45
↑ 19↓ 370.5%
25K· 15.53 mi
9:38/mi
2:32:06
↑ 66↓ 880.2%
30K· 18.64 mi
10:27/mi
3:04:35
↑ 181↓ 1480.2%
20M
10:36/mi
3:18:59
↑ 64↓ 500.2%
21M
11:44/mi
3:30:43
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:38:28
↑ 17↓ 861.7%
23M
10:21/mi
3:51:25
↑ 23↓ 630.6%
24M
9:24/mi
4:00:49
↓ 821.3%
40K· 24.85 mi
9:46/mi
4:09:10
↓ 200.3%
25.2M
10:52/mi
4:12:55
↑ 13↓ 160.2%
Finish· 26.22 mi
9:16/mi
4:22:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:45
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:13:37
Pace10:12 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0131:4410:1331:44
10:13
-
10K
6.21 mi12:18:001:00:439:4628:59
9:20
-0:53
15K
9.32 mi12:47:521:30:359:4329:52
9:37
+0:17
20K
12.43 mi13:19:262:02:099:5031:34
10:10
+0:33
Half
13.11 mi13:26:022:08:459:496:36
9:40
-0:30
25K
15.53 mi13:49:232:32:069:4723:21
9:38
-0:02
30K
18.64 mi14:21:523:04:359:5432:29
10:27
+0:49
20M
20.00 mi14:36:163:18:599:5714:24
10:36
+0:09
21M
21.00 mi14:48:003:30:4310:0211:44
11:44
+1:08
35K
21.75 mi14:55:453:38:2810:037:45
10:22
-1:22
23M
23.00 mi15:08:423:51:2510:0412:57
10:21
-0:01
24M
24.00 mi15:18:064:00:4910:029:24
9:24
-0:57
40K
24.85 mi15:26:274:09:1010:018:21
9:46
+0:22
25.2M
25.20 mi15:30:124:12:5510:023:45
10:52
+1:06
Finish
26.22 mi15:39:394:22:2210:019:27
9:16
-1:36

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

9:16 /mi

Average Pace

10:01 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:00

44% of race

Time at Steady Pace

1:56:29

44% of race

Time at Slower Pace

29:53

11% of race

Average Pace: 10:00 /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 mi11:49:0131:4410:1331:44
10:13
#26088
10K
6.21 mi12:18:001:00:439:4628:59
9:20
#24906
15K
9.32 mi12:47:521:30:359:4329:52
9:37
#24621
20K
12.43 mi13:19:262:02:099:5031:34
10:10
#24599
Half
13.11 mi13:26:022:08:459:496:36
9:40
#24578
25K
15.53 mi13:49:232:32:069:4723:21
9:38
#24231
30K
18.64 mi14:21:523:04:359:5432:29
10:27
#23973
20M
20.00 mi14:36:163:18:599:5714:24
10:36
#23875
21M
21.00 mi14:48:003:30:4310:0211:44
11:44
#23820
35K
21.75 mi14:55:453:38:2810:037:45
10:22
#23774
23M
23.00 mi15:08:423:51:2510:0412:57
10:21
#23646
24M
24.00 mi15:18:064:00:4910:029:24
9:24
#23464
40K
24.85 mi15:26:274:09:1010:018:21
9:46
#23316
25.2M
25.20 mi15:30:124:12:5510:023:45
10:52
#23277
Finish
26.22 mi15:39:394:22:2210:019:27
9:16
#23198
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi26088152141521424055(Top 85%)14288(Top 89%)14288(Top 599%)
10K6.21 mi3.10 mi24906+118214664+55014664+55023609(Top 83%)14077(Top 87%)14077(Top 590%)
15K9.32 mi3.11 mi24621+28514533+13114533+13124055(Top 85%)14288(Top 89%)14288(Top 599%)
20K12.43 mi3.11 mi24599+2214514+1914514+1924551(Top 86%)14469(Top 90%)14469(Top 606%)
Half13.11 mi0.68 mi24578+2114498+1614498+1624015(Top 85%)14236(Top 88%)14236(Top 597%)
25K15.53 mi2.42 mi24231+34714330+16814330+16822290(Top 78%)13424(Top 83%)13424(Top 563%)
30K18.64 mi3.11 mi23973+25814198+13214198+13222838(Top 80%)13546(Top 84%)13546(Top 568%)
20M20.00 mi1.36 mi23875+9814134+6414134+6422683(Top 80%)13383(Top 83%)13383(Top 561%)
21M21.00 mi1.00 mi23820+5514095+3914095+3923088(Top 81%)13494(Top 84%)13494(Top 566%)
35K21.75 mi0.75 mi23774+4614059+3614059+3622839(Top 80%)13320(Top 83%)13320(Top 558%)
23M23.00 mi1.25 mi23646+12813985+7413985+7421552(Top 76%)12655(Top 79%)12655(Top 530%)
24M24.00 mi1.00 mi23464+18213882+10313882+10319230(Top 68%)11523(Top 72%)11523(Top 483%)
40K24.85 mi0.85 mi23316+14813789+9313789+9319699(Top 69%)11664(Top 72%)11664(Top 489%)
25.2M25.20 mi0.35 mi23277+3913763+2613763+2620252(Top 71%)11921(Top 74%)11921(Top 500%)
Finish26.22 mi1.02 mi23198+7913714+4913714+4920276(Top 71%)11950(Top 74%)11950(Top 501%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24055

Males

14288

M45-49

14288

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23609

Males

14077

M45-49

14077

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24055

Males

14288

M45-49

14288

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24551

Males

14469

M45-49

14469

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24015

Males

14236

M45-49

14236

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22290

Males

13424

M45-49

13424

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22838

Males

13546

M45-49

13546

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22683

Males

13383

M45-49

13383

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

23088

Males

13494

M45-49

13494

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22839

Males

13320

M45-49

13320

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21552

Males

12655

M45-49

12655

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19230

Males

11523

M45-49

11523

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19699

Males

11664

M45-49

11664

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20252

Males

11921

M45-49

11921

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20276

Males

11950

M45-49

11950

Passing Analysis

Category:
Athletes Passed
3207
Passed By
317
Net Change
+2890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26088
5K → 10K11842+1182#26088#24906
10K → 15K31530+285#24906#24621
15K → 20K144122+22#24621#24599
20K → Half3312+21#24599#24578
Half → 25K3525+347#24578#24231
25K → 30K30345+258#24231#23973
30K → 20M12527+98#23973#23875
20M → 21M9540+55#23875#23820
21M → 35K5812+46#23820#23774
35K → 23M1379+128#23774#23646
23M → 24M1820+182#23646#23464
24M → 40K1480+148#23464#23316
40K → 25.2M412+39#23316#23277
25.2M → Finish9011+79#23277#23198
TOTALS3207317+2890
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing