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BOSTON MARATHON 2025

Lydia Randolph

Bib: 8984•F

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0:00
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Division (F18-39)
#0 / 5469
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #5711
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
42:04
Rank: #6030 (-319)
5K → 10K
21:10 | 6:49/mi
15K· 9.32 mi
1:04:05
Rank: #6878 (-848)
10K → 15K
22:01 | 7:05/mi
20K· 12.43 mi
1:27:36
Rank: #7822 (-944)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:32:39
Rank: #7942 (-120)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:51:41
Rank: #8593 (-651)
Half → 25K
19:02 | 7:51/mi
30K· 18.64 mi
2:17:29
Rank: #9493 (-900)
25K → 30K
25:48 | 8:18/mi
20M
2:29:38
Rank: #10071 (-578)
30K → 20M
12:09 | 8:56/mi
21M
2:38:54
Rank: #10406 (-335)
20M → 21M
9:16 | 9:16/mi
35K· 21.75 mi
2:45:41
Rank: #10761 (-355)
21M → 35K
6:47 | 9:04/mi
23M
2:57:53
Rank: #11434 (-673)
35K → 23M
12:12 | 9:45/mi
24M
3:06:48
Rank: #11713 (-279)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:13:57
Rank: #11713
24M → 40K
7:09 | 8:22/mi
25.2M
3:17:09
Rank: #11754 (-41)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:24:58
Rank: #11673 (+81)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:39
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:52:19
Pace8:34 /mi
📊Positive Split: 21.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1420:546:4420:54
6:44
-
10K
6.21 mi11:07:2442:046:4621:10
6:49
+0:05
15K
9.32 mi11:29:251:04:056:5322:01
7:05
+0:16
20K
12.43 mi11:52:561:27:367:0323:31
7:34
+0:29
Half
13.11 mi11:57:591:32:397:045:03
7:24
-0:10
25K
15.53 mi12:17:011:51:417:1119:02
7:51
+0:27
30K
18.64 mi12:42:492:17:297:2325:48
8:18
+0:27
20M
20.00 mi12:54:582:29:387:2912:09
8:56
+0:38
21M
21.00 mi13:04:142:38:547:349:16
9:16
+0:20
35K
21.75 mi13:11:012:45:417:376:47
9:04
-0:12
23M
23.00 mi13:23:132:57:537:4412:12
9:45
+0:41
24M
24.00 mi13:32:083:06:487:478:55
8:55
-0:50
40K
24.85 mi13:39:173:13:577:487:09
8:22
-0:33
25.2M
25.20 mi13:42:293:17:097:493:12
9:17
+0:55
Finish
26.22 mi13:50:183:24:587:497:49
7:40
-1:37

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

6:44 /mi

Average Pace

7:49 /mi

Slowest Pace

9:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:28

49% of race

Time at Steady Pace

51:59

25% of race

Time at Slower Pace

52:31

26% of race

Average Pace: 7:49 /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 mi10:46:1420:546:4420:54
6:44
#5711
10K
6.21 mi11:07:2442:046:4621:10
6:49
#6030
15K
9.32 mi11:29:251:04:056:5322:01
7:05
#6878
20K
12.43 mi11:52:561:27:367:0323:31
7:34
#7822
Half
13.11 mi11:57:591:32:397:045:03
7:24
#7942
25K
15.53 mi12:17:011:51:417:1119:02
7:51
#8593
30K
18.64 mi12:42:492:17:297:2325:48
8:18
#9493
20M
20.00 mi12:54:582:29:387:2912:09
8:56
#10071
21M
21.00 mi13:04:142:38:547:349:16
9:16
#10406
35K
21.75 mi13:11:012:45:417:376:47
9:04
#10761
23M
23.00 mi13:23:132:57:537:4412:12
9:45
#11434
24M
24.00 mi13:32:083:06:487:478:55
8:55
#11713
40K
24.85 mi13:39:173:13:577:487:09
8:22
#11713
25.2M
25.20 mi13:42:293:17:097:493:12
9:17
#11754
Finish
26.22 mi13:50:183:24:587:497:49
7:40
#11673
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi57114274278264(Top 29%)1142(Top 9%)1142(Top 21%)
10K6.21 mi3.10 mi6030-319488-61488-616557(Top 23%)619(Top 5%)619(Top 11%)
15K9.32 mi3.11 mi6878-848679-191679-1918264(Top 29%)1142(Top 9%)1142(Top 21%)
20K12.43 mi3.11 mi7822-944964-285964-28511361(Top 40%)2665(Top 22%)2665(Top 49%)
Half13.11 mi0.68 mi7942-1201007-431007-4310992(Top 39%)2434(Top 20%)2434(Top 45%)
25K15.53 mi2.42 mi8593-6511276-2691276-26912759(Top 45%)3530(Top 29%)3530(Top 65%)
30K18.64 mi3.11 mi9493-9001722-4461722-44613542(Top 48%)4117(Top 34%)4117(Top 75%)
20M20.00 mi1.36 mi10071-5782021-2992021-29916477(Top 58%)5858(Top 48%)5858(Top 107%)
21M21.00 mi1.00 mi10406-3352242-2212242-22114968(Top 53%)5151(Top 42%)5151(Top 94%)
35K21.75 mi0.75 mi10761-3552446-2042446-20418568(Top 65%)7222(Top 59%)7222(Top 132%)
23M23.00 mi1.25 mi11434-6732851-4052851-40519596(Top 69%)7824(Top 64%)7824(Top 143%)
24M24.00 mi1.00 mi11713-2793030-1793030-17916929(Top 60%)6453(Top 53%)6453(Top 118%)
40K24.85 mi0.85 mi117133054-243054-2412556(Top 44%)4209(Top 34%)4209(Top 77%)
25.2M25.20 mi0.35 mi11754-413091-373091-3713366(Top 47%)4675(Top 38%)4675(Top 85%)
Finish26.22 mi1.02 mi11673+813094-33094-310503(Top 37%)3218(Top 26%)3218(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8264

Females

1142

F18-39

1142

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6557

Females

619

F18-39

619

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8264

Females

1142

F18-39

1142

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11361

Females

2665

F18-39

2665

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10992

Females

2434

F18-39

2434

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12759

Females

3530

F18-39

3530

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13542

Females

4117

F18-39

4117

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16477

Females

5858

F18-39

5858

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14968

Females

5151

F18-39

5151

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18568

Females

7222

F18-39

7222

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19596

Females

7824

F18-39

7824

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16929

Females

6453

F18-39

6453

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12556

Females

4209

F18-39

4209

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13366

Females

4675

F18-39

4675

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10503

Females

3218

F18-39

3218

Passing Analysis

Category:
Athletes Passed
570
Passed By
6529
Net Change
-5962
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5711
5K → 10K84403-319#5711#6030
10K → 15K23871-848#6030#6878
15K → 20K21965-944#6878#7822
20K → Half6126-120#7822#7942
Half → 25K27678-651#7942#8593
25K → 30K61961-900#8593#9493
30K → 20M28604-578#9493#10071
20M → 21M36370-335#10071#10406
21M → 35K5360-355#10406#10761
35K → 23M14687-673#10761#11434
23M → 24M33312-279#11434#11713
24M → 40K83830#11713#11713
40K → 25.2M2263-41#11713#11754
25.2M → Finish12746+81#11754#11673
TOTALS5706529-5962
📊

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