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BOSTON MARATHON 2025

Rob Roberts

Bib: 19944•X

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Other)
#0 / 71
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:50
Rank: #16511
Start → 5K
24:50 | 8:00/mi
10K· 6.21 mi
49:40
Rank: #16446 (+65)
5K → 10K
24:50 | 8:00/mi
15K· 9.32 mi
1:14:17
Rank: #16075 (+371)
10K → 15K
24:37 | 7:55/mi
20K· 12.43 mi
1:38:58
Rank: #15660 (+415)
15K → 20K
24:41 | 7:57/mi
Half· 13.11 mi
1:44:25
Rank: #15663 (-3)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:04:04
Rank: #15436 (+227)
Half → 25K
19:39 | 8:06/mi
30K· 18.64 mi
2:29:53
Rank: #15050 (+386)
25K → 30K
25:49 | 8:19/mi
20M
2:41:19
Rank: #14862 (+188)
30K → 20M
11:26 | 8:25/mi
21M
2:50:21
Rank: #14753 (+109)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:56:36
Rank: #14713 (+40)
21M → 35K
6:15 | 8:21/mi
23M
3:06:58
Rank: #14514 (+199)
35K → 23M
10:22 | 8:17/mi
24M
3:15:19
Rank: #14467 (+47)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:22:34
Rank: #14381 (+86)
24M → 40K
7:15 | 8:29/mi
25.2M
3:25:44
Rank: #14350 (+31)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:34:10
Rank: #14335 (+15)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:25
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:49:45
Pace8:22 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4624:508:0024:50
8:00
-
10K
6.21 mi11:41:3649:408:0024:50
8:00
0:00
15K
9.32 mi12:06:131:14:177:5824:37
7:55
-0:05
20K
12.43 mi12:30:541:38:587:5824:41
7:57
+0:02
Half
13.11 mi12:36:211:44:257:585:27
7:59
+0:02
25K
15.53 mi12:56:002:04:047:5919:39
8:06
+0:07
30K
18.64 mi13:21:492:29:538:0225:49
8:19
+0:13
20M
20.00 mi13:33:152:41:198:0411:26
8:25
+0:06
21M
21.00 mi13:42:172:50:218:079:02
9:02
+0:37
35K
21.75 mi13:48:322:56:368:076:15
8:21
-0:41
23M
23.00 mi13:58:543:06:588:0810:22
8:17
-0:04
24M
24.00 mi14:07:153:15:198:088:21
8:21
+0:04
40K
24.85 mi14:14:303:22:348:097:15
8:29
+0:08
25.2M
25.20 mi14:17:403:25:448:103:10
9:11
+0:42
Finish
26.22 mi14:26:063:34:108:108:26
8:17
-0:54

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

7:55 /mi

Average Pace

8:10 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:58

94% of race

Time at Steady Pace

12:12

6% 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 mi11:16:4624:508:0024:50
8:00
#16511
10K
6.21 mi11:41:3649:408:0024:50
8:00
#16446
15K
9.32 mi12:06:131:14:177:5824:37
7:55
#16075
20K
12.43 mi12:30:541:38:587:5824:41
7:57
#15660
Half
13.11 mi12:36:211:44:257:585:27
7:59
#15663
25K
15.53 mi12:56:002:04:047:5919:39
8:06
#15436
30K
18.64 mi13:21:492:29:538:0225:49
8:19
#15050
20M
20.00 mi13:33:152:41:198:0411:26
8:25
#14862
21M
21.00 mi13:42:172:50:218:079:02
9:02
#14753
35K
21.75 mi13:48:322:56:368:076:15
8:21
#14713
23M
23.00 mi13:58:543:06:588:0810:22
8:17
#14514
24M
24.00 mi14:07:153:15:198:088:21
8:21
#14467
40K
24.85 mi14:14:303:22:348:097:15
8:29
#14381
25.2M
25.20 mi14:17:403:25:448:103:10
9:11
#14350
Finish
26.22 mi14:26:063:34:108:108:26
8:17
#14335
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi16511505015396(Top 54%)47(Top 66%)47
10K6.21 mi3.10 mi16446+6548+248+216406(Top 58%)49(Top 69%)49
15K9.32 mi3.11 mi16075+371484815396(Top 54%)47(Top 66%)47
20K12.43 mi3.11 mi15660+41547+147+114468(Top 51%)43(Top 61%)43
Half13.11 mi0.68 mi15663-3474715717(Top 55%)48(Top 68%)48
25K15.53 mi2.42 mi15436+22748-148-114651(Top 52%)42(Top 59%)42
30K18.64 mi3.11 mi15050+38645+345+313552(Top 48%)37(Top 52%)37
20M20.00 mi1.36 mi14862+18844+144+113208(Top 47%)36(Top 51%)36
21M21.00 mi1.00 mi14753+10943+143+113672(Top 48%)36(Top 51%)36
35K21.75 mi0.75 mi14713+40434314553(Top 51%)40(Top 56%)40
23M23.00 mi1.25 mi14514+199434311880(Top 42%)28(Top 39%)28
24M24.00 mi1.00 mi14467+47434313523(Top 48%)36(Top 51%)36
40K24.85 mi0.85 mi14381+86434313243(Top 47%)35(Top 49%)35
25.2M25.20 mi0.35 mi14350+31434312700(Top 45%)36(Top 51%)36
Finish26.22 mi1.02 mi14335+15434314720(Top 52%)39(Top 55%)39

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15396

X

47

Age Div

47

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16406

X

49

Age Div

49

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15396

X

47

Age Div

47

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14468

X

43

Age Div

43

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15717

X

48

Age Div

48

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14651

X

42

Age Div

42

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13552

X

37

Age Div

37

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13208

X

36

Age Div

36

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13672

X

36

Age Div

36

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14553

X

40

Age Div

40

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11880

X

28

Age Div

28

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13523

X

36

Age Div

36

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13243

X

35

Age Div

35

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12700

X

36

Age Div

36

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14720

X

39

Age Div

39

Passing Analysis

Category:
Athletes Passed
2998
Passed By
822
Net Change
+2176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16511
5K → 10K330265+65#16511#16446
10K → 15K43867+371#16446#16075
15K → 20K44934+415#16075#15660
20K → Half2831-3#15660#15663
Half → 25K28962+227#15663#15436
25K → 30K44660+386#15436#15050
30K → 20M22941+188#15050#14862
20M → 21M16455+109#14862#14753
21M → 35K8141+40#14753#14713
35K → 23M21617+199#14713#14514
23M → 24M9144+47#14514#14467
24M → 40K11529+86#14467#14381
40K → 25.2M4413+31#14381#14350
25.2M → Finish7863+15#14350#14335
TOTALS2998822+2176
📊

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