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BOSTON MARATHON 2025

Lillian Rockoff

Bib: 25765•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:34
Rank: #15798
Start → 5K
24:34 | 7:54/mi
10K· 6.21 mi
50:02
Rank: #16932 (-1134)
5K → 10K
25:28 | 8:12/mi
15K· 9.32 mi
1:16:39
Rank: #17921 (-989)
10K → 15K
26:37 | 8:34/mi
20K· 12.43 mi
1:46:24
Rank: #19666 (-1745)
15K → 20K
29:45 | 9:35/mi
Half· 13.11 mi
1:52:52
Rank: #19916 (-250)
20K → Half
6:28 | 9:29/mi
25K· 15.53 mi
2:18:29
Rank: #21177 (-1261)
Half → 25K
25:37 | 10:34/mi
30K· 18.64 mi
2:53:04
Rank: #22107 (-930)
25K → 30K
34:35 | 11:08/mi
20M
3:07:24
Rank: #22150 (-43)
30K → 20M
14:20 | 10:33/mi
21M
3:18:30
Rank: #22095 (+55)
20M → 21M
11:06 | 11:06/mi
35K· 21.75 mi
3:25:36
Rank: #22014 (+81)
21M → 35K
7:06 | 9:29/mi
23M
3:38:11
Rank: #21910 (+104)
35K → 23M
12:35 | 10:03/mi
24M
3:48:25
Rank: #21910
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
3:57:36
Rank: #21932 (-22)
24M → 40K
9:11 | 10:44/mi
25.2M
4:01:43
Rank: #21946 (-14)
40K → 25.2M
4:07 | 11:56/mi
Finish· 26.22 mi
4:12:10
Rank: #22013 (-67)
25.2M → Finish
10:27 | 10:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:52
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time2:19:18
Pace10:38 /mi
📊Positive Split: 23.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:5124:347:5424:34
7:54
-
10K
6.21 mi12:05:1950:028:0325:28
8:12
+0:18
15K
9.32 mi12:31:561:16:398:1326:37
8:34
+0:22
20K
12.43 mi13:01:411:46:248:3429:45
9:35
+1:01
Half
13.11 mi13:08:091:52:528:376:28
9:29
-0:06
25K
15.53 mi13:33:462:18:298:5525:37
10:34
+1:05
30K
18.64 mi14:08:212:53:049:1734:35
11:08
+0:34
20M
20.00 mi14:22:413:07:249:2214:20
10:33
-0:35
21M
21.00 mi14:33:473:18:309:2711:06
11:06
+0:33
35K
21.75 mi14:40:533:25:369:277:06
9:29
-1:37
23M
23.00 mi14:53:283:38:119:2912:35
10:03
+0:34
24M
24.00 mi15:03:423:48:259:3110:14
10:14
+0:11
40K
24.85 mi15:12:533:57:369:349:11
10:44
+0:30
25.2M
25.20 mi15:17:004:01:439:364:07
11:56
+1:12
Finish
26.22 mi15:27:274:12:109:3710:27
10:15
-1:41

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

7:54 /mi

Average Pace

9:37 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:58

48% of race

Time at Steady Pace

1:22:24

33% of race

Time at Slower Pace

49:48

20% of race

Average Pace: 9:37 /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 mi11:39:5124:347:5424:34
7:54
#15798
10K
6.21 mi12:05:1950:028:0325:28
8:12
#16932
15K
9.32 mi12:31:561:16:398:1326:37
8:34
#17921
20K
12.43 mi13:01:411:46:248:3429:45
9:35
#19666
Half
13.11 mi13:08:091:52:528:376:28
9:29
#19916
25K
15.53 mi13:33:462:18:298:5525:37
10:34
#21177
30K
18.64 mi14:08:212:53:049:1734:35
11:08
#22107
20M
20.00 mi14:22:413:07:249:2214:20
10:33
#22150
21M
21.00 mi14:33:473:18:309:2711:06
11:06
#22095
35K
21.75 mi14:40:533:25:369:277:06
9:29
#22014
23M
23.00 mi14:53:283:38:119:2912:35
10:03
#21910
24M
24.00 mi15:03:423:48:259:3110:14
10:14
#21910
40K
24.85 mi15:12:533:57:369:349:11
10:44
#21932
25.2M
25.20 mi15:17:004:01:439:364:07
11:56
#21946
Finish
26.22 mi15:27:274:12:109:3710:27
10:15
#22013
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157985027502719750(Top 70%)7301(Top 60%)7301(Top 133%)
10K6.21 mi3.10 mi16932-11345684-6575684-65717889(Top 63%)6237(Top 51%)6237(Top 114%)
15K9.32 mi3.11 mi17921-9896280-5966280-59619750(Top 70%)7301(Top 60%)7301(Top 133%)
20K12.43 mi3.11 mi19666-17457283-10037283-100323137(Top 81%)9215(Top 75%)9215(Top 168%)
Half13.11 mi0.68 mi19916-2507426-1437426-14323519(Top 83%)9433(Top 77%)9433(Top 172%)
25K15.53 mi2.42 mi21177-12618142-7168142-71624490(Top 86%)10008(Top 82%)10008(Top 183%)
30K18.64 mi3.11 mi22107-9308681-5398681-53924259(Top 85%)9999(Top 82%)9999(Top 183%)
20M20.00 mi1.36 mi22150-438723-428723-4222576(Top 79%)9197(Top 75%)9197(Top 168%)
21M21.00 mi1.00 mi22095+558717+68717+621673(Top 76%)8802(Top 72%)8802(Top 161%)
35K21.75 mi0.75 mi22014+818685+328685+3220332(Top 72%)8156(Top 67%)8156(Top 149%)
23M23.00 mi1.25 mi21910+1048666+198666+1920664(Top 73%)8389(Top 69%)8389(Top 153%)
24M24.00 mi1.00 mi219108690-248690-2422045(Top 78%)9154(Top 75%)9154(Top 167%)
40K24.85 mi0.85 mi21932-228718-288718-2822557(Top 79%)9480(Top 78%)9480(Top 173%)
25.2M25.20 mi0.35 mi21946-148734-168734-1623117(Top 81%)9715(Top 79%)9715(Top 178%)
Finish26.22 mi1.02 mi22013-678785-518785-5123687(Top 83%)10014(Top 82%)10014(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19750

Females

7301

F18-39

7301

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17889

Females

6237

F18-39

6237

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19750

Females

7301

F18-39

7301

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

23137

Females

9215

F18-39

9215

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

23519

Females

9433

F18-39

9433

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24490

Females

10008

F18-39

10008

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24259

Females

9999

F18-39

9999

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22576

Females

9197

F18-39

9197

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21673

Females

8802

F18-39

8802

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20332

Females

8156

F18-39

8156

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20664

Females

8389

F18-39

8389

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22045

Females

9154

F18-39

9154

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22557

Females

9480

F18-39

9480

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23117

Females

9715

F18-39

9715

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23687

Females

10014

F18-39

10014

Passing Analysis

Category:
Athletes Passed
704
Passed By
6919
Net Change
-6215
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15798
5K → 10K551189-1134#15798#16932
10K → 15K361025-989#16932#17921
15K → 20K151760-1745#17921#19666
20K → Half1251-250#19666#19916
Half → 25K151276-1261#19916#21177
25K → 30K35965-930#21177#22107
30K → 20M79122-43#22107#22150
20M → 21M10449+55#22150#22095
21M → 35K909+81#22095#22014
35K → 23M13531+104#22014#21910
23M → 24M52520#21910#21910
24M → 40K3759-22#21910#21932
40K → 25.2M1832-14#21932#21946
25.2M → Finish3299-67#21946#22013
TOTALS7046919-6215
📊

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