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BOSTON MARATHON 2025

Uday Prasad

Bib: 6561•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:09
Rank: #3722
Start → 5K
20:09 | 6:29/mi
10K· 6.21 mi
39:59
Rank: #3296 (+426)
5K → 10K
19:50 | 6:23/mi
15K· 9.32 mi
1:00:07
Rank: #3318 (-22)
10K → 15K
20:08 | 6:29/mi
20K· 12.43 mi
1:20:20
Rank: #3245 (+73)
15K → 20K
20:13 | 6:30/mi
Half· 13.11 mi
1:24:44
Rank: #3250 (-5)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:40:40
Rank: #3259 (-9)
Half → 25K
15:56 | 6:34/mi
30K· 18.64 mi
2:01:37
Rank: #3175 (+84)
25K → 30K
20:57 | 6:45/mi
20M
2:10:39
Rank: #3057 (+118)
30K → 20M
9:02 | 6:39/mi
21M
2:17:52
Rank: #3023 (+34)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:22:40
Rank: #2958 (+65)
21M → 35K
4:48 | 6:25/mi
23M
2:31:12
Rank: #2906 (+52)
35K → 23M
8:32 | 6:49/mi
24M
2:37:46
Rank: #2843 (+63)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:43:27
Rank: #2785 (+58)
24M → 40K
5:41 | 6:39/mi
25.2M
2:46:04
Rank: #2786 (-1)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:52:45
Rank: #2764 (+22)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:44
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:28:01
Pace6:43 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5320:096:2920:09
6:29
-
10K
6.21 mi10:44:4339:596:2619:50
6:23
-0:06
15K
9.32 mi11:04:511:00:076:2720:08
6:29
+0:06
20K
12.43 mi11:25:041:20:206:2820:13
6:30
+0:01
Half
13.11 mi11:29:281:24:446:284:24
6:27
-0:03
25K
15.53 mi11:45:241:40:406:2915:56
6:34
+0:07
30K
18.64 mi12:06:212:01:376:3120:57
6:45
+0:11
20M
20.00 mi12:15:232:10:396:329:02
6:39
-0:06
21M
21.00 mi12:22:362:17:526:347:13
7:13
+0:34
35K
21.75 mi12:27:242:22:406:344:48
6:25
-0:48
23M
23.00 mi12:35:562:31:126:348:32
6:49
+0:24
24M
24.00 mi12:42:302:37:466:346:34
6:34
-0:15
40K
24.85 mi12:48:112:43:276:355:41
6:39
+0:05
25.2M
25.20 mi12:50:482:46:046:352:37
7:35
+0:56
Finish
26.22 mi12:57:292:52:456:366:41
6:34
-1:01

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

6:23 /mi

Average Pace

6:36 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:55

94% of race

Time at Steady Pace

7:13

4% of race

Time at Slower Pace

2:37

2% of race

Average Pace: 6:35 /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 mi10:24:5320:096:2920:09
6:29
#3722
10K
6.21 mi10:44:4339:596:2619:50
6:23
#3296
15K
9.32 mi11:04:511:00:076:2720:08
6:29
#3318
20K
12.43 mi11:25:041:20:206:2820:13
6:30
#3245
Half
13.11 mi11:29:281:24:446:284:24
6:27
#3250
25K
15.53 mi11:45:241:40:406:2915:56
6:34
#3259
30K
18.64 mi12:06:212:01:376:3120:57
6:45
#3175
20M
20.00 mi12:15:232:10:396:329:02
6:39
#3057
21M
21.00 mi12:22:362:17:526:347:13
7:13
#3023
35K
21.75 mi12:27:242:22:406:344:48
6:25
#2958
23M
23.00 mi12:35:562:31:126:348:32
6:49
#2906
24M
24.00 mi12:42:302:37:466:346:34
6:34
#2843
40K
24.85 mi12:48:112:43:276:355:41
6:39
#2785
25.2M
25.20 mi12:50:482:46:046:352:37
7:35
#2786
Finish
26.22 mi12:57:292:52:456:366:41
6:34
#2764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3722352535253432(Top 12%)3252(Top 20%)3252(Top 58%)
10K6.21 mi3.10 mi3296+4263132+3933132+3932927(Top 10%)2786(Top 17%)2786(Top 49%)
15K9.32 mi3.11 mi3318-223151-193151-193432(Top 12%)3252(Top 20%)3252(Top 58%)
20K12.43 mi3.11 mi3245+733090+613090+613154(Top 11%)2994(Top 19%)2994(Top 53%)
Half13.11 mi0.68 mi3250-53094-43094-43317(Top 12%)3143(Top 20%)3143(Top 56%)
25K15.53 mi2.42 mi3259-93103-93103-93259(Top 11%)3085(Top 19%)3085(Top 55%)
30K18.64 mi3.11 mi3175+843016+873016+873091(Top 11%)2900(Top 18%)2900(Top 51%)
20M20.00 mi1.36 mi3057+1182901+1152901+1152222(Top 8%)2100(Top 13%)2100(Top 37%)
21M21.00 mi1.00 mi3023+342865+362865+363184(Top 11%)2932(Top 18%)2932(Top 52%)
35K21.75 mi0.75 mi2958+652801+642801+642084(Top 7%)1951(Top 12%)1951(Top 35%)
23M23.00 mi1.25 mi2906+522752+492752+492763(Top 10%)2537(Top 16%)2537(Top 45%)
24M24.00 mi1.00 mi2843+632692+602692+602324(Top 8%)2149(Top 13%)2149(Top 38%)
40K24.85 mi0.85 mi2785+582639+532639+532142(Top 8%)1968(Top 12%)1968(Top 35%)
25.2M25.20 mi0.35 mi2786-12637+22637+23729(Top 13%)3211(Top 20%)3211(Top 57%)
Finish26.22 mi1.02 mi2764+222614+232614+233070(Top 11%)2725(Top 17%)2725(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3432

Males

3252

M18-39

3252

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2927

Males

2786

M18-39

2786

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3432

Males

3252

M18-39

3252

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3154

Males

2994

M18-39

2994

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3317

Males

3143

M18-39

3143

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3259

Males

3085

M18-39

3085

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3091

Males

2900

M18-39

2900

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2222

Males

2100

M18-39

2100

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3184

Males

2932

M18-39

2932

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2084

Males

1951

M18-39

1951

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2763

Males

2537

M18-39

2537

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2324

Males

2149

M18-39

2149

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2142

Males

1968

M18-39

1968

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3729

Males

3211

M18-39

3211

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3070

Males

2725

M18-39

2725

Passing Analysis

Category:
Athletes Passed
1434
Passed By
476
Net Change
+958
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3722
5K → 10K44822+426#3722#3296
10K → 15K86108-22#3296#3318
15K → 20K12451+73#3318#3245
20K → Half1419-5#3245#3250
Half → 25K6978-9#3250#3259
25K → 30K14359+84#3259#3175
30K → 20M1279+118#3175#3057
20M → 21M6026+34#3057#3023
21M → 35K727+65#3023#2958
35K → 23M7624+52#2958#2906
23M → 24M7815+63#2906#2843
24M → 40K7012+58#2843#2785
40K → 25.2M1819-1#2785#2786
25.2M → Finish4927+22#2786#2764
TOTALS1434476+958
📊

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