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BOSTON MARATHON 2025

Alayna Bigalbal

Bib: 4396•F

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:37
Rank: #2538
Start → 5K
19:37 | 6:19/mi
10K· 6.21 mi
39:12
Rank: #2483 (+55)
5K → 10K
19:35 | 6:18/mi
15K· 9.32 mi
58:56
Rank: #2536 (-53)
10K → 15K
19:44 | 6:21/mi
20K· 12.43 mi
1:18:56
Rank: #2568 (-32)
15K → 20K
20:00 | 6:26/mi
Half· 13.11 mi
1:23:21
Rank: #2609 (-41)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:39:11
Rank: #2658 (-49)
Half → 25K
15:50 | 6:32/mi
30K· 18.64 mi
2:00:13
Rank: #2718 (-60)
25K → 30K
21:02 | 6:46/mi
20M
2:09:41
Rank: #2785 (-67)
30K → 20M
9:28 | 6:58/mi
21M
2:17:05
Rank: #2827 (-42)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:22:09
Rank: #2845 (-18)
21M → 35K
5:04 | 6:46/mi
23M
2:30:53
Rank: #2832 (+13)
35K → 23M
8:44 | 6:59/mi
24M
2:37:40
Rank: #2822 (+10)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:43:39
Rank: #2832 (-10)
24M → 40K
5:59 | 7:00/mi
25.2M
2:46:16
Rank: #2836 (-4)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:53:09
Rank: #2841 (-5)
25.2M → Finish
6:53 | 6:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:21
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:29:48
Pace6:51 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1919:376:1919:37
6:19
-
10K
6.21 mi10:41:5439:126:1919:35
6:18
-0:01
15K
9.32 mi11:01:3858:566:1919:44
6:21
+0:03
20K
12.43 mi11:21:381:18:566:2120:00
6:26
+0:05
Half
13.11 mi11:26:031:23:216:214:25
6:28
+0:02
25K
15.53 mi11:41:531:39:116:2315:50
6:32
+0:04
30K
18.64 mi12:02:552:00:136:2721:02
6:46
+0:14
20M
20.00 mi12:12:232:09:416:299:28
6:58
+0:12
21M
21.00 mi12:19:472:17:056:327:24
7:24
+0:26
35K
21.75 mi12:24:512:22:096:325:04
6:46
-0:38
23M
23.00 mi12:33:352:30:536:348:44
6:59
+0:13
24M
24.00 mi12:40:222:37:406:346:47
6:47
-0:12
40K
24.85 mi12:46:212:43:396:355:59
7:00
+0:13
25.2M
25.20 mi12:48:582:46:166:362:37
7:35
+0:35
Finish
26.22 mi12:55:512:53:096:376:53
6:45
-0:50

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

6:18 /mi

Average Pace

6:37 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:11

57% of race

Time at Steady Pace

39:46

23% of race

Time at Slower Pace

34:12

20% of race

Average Pace: 6:36 /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 mi10:22:1919:376:1919:37
6:19
#2538
10K
6.21 mi10:41:5439:126:1919:35
6:18
#2483
15K
9.32 mi11:01:3858:566:1919:44
6:21
#2536
20K
12.43 mi11:21:381:18:566:2120:00
6:26
#2568
Half
13.11 mi11:26:031:23:216:214:25
6:28
#2609
25K
15.53 mi11:41:531:39:116:2315:50
6:32
#2658
30K
18.64 mi12:02:552:00:136:2721:02
6:46
#2718
20M
20.00 mi12:12:232:09:416:299:28
6:58
#2785
21M
21.00 mi12:19:472:17:056:327:24
7:24
#2827
35K
21.75 mi12:24:512:22:096:325:04
6:46
#2845
23M
23.00 mi12:33:352:30:536:348:44
6:59
#2832
24M
24.00 mi12:40:222:37:406:346:47
6:47
#2822
40K
24.85 mi12:46:212:43:396:355:59
7:00
#2832
25.2M
25.20 mi12:48:582:46:166:362:37
7:35
#2836
Finish
26.22 mi12:55:512:53:096:376:53
6:45
#2841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25381141142657(Top 9%)118(Top 1.0%)118(Top 2%)
10K6.21 mi3.10 mi2483+55109+5109+52458(Top 9%)102(Top 0.8%)102(Top 2%)
15K9.32 mi3.11 mi2536-53110-1110-12657(Top 9%)118(Top 1.0%)118(Top 2%)
20K12.43 mi3.11 mi2568-32112-2112-22755(Top 10%)124(Top 1%)124(Top 2%)
Half13.11 mi0.68 mi2609-411121123572(Top 13%)181(Top 1%)181(Top 3%)
25K15.53 mi2.42 mi2658-49113-1113-13066(Top 11%)150(Top 1%)150(Top 3%)
30K18.64 mi3.11 mi2718-60119-6119-63269(Top 12%)197(Top 2%)197(Top 4%)
20M20.00 mi1.36 mi2785-67126-7126-73933(Top 14%)308(Top 3%)308(Top 6%)
21M21.00 mi1.00 mi2827-42130-4130-44132(Top 15%)391(Top 3%)391(Top 7%)
35K21.75 mi0.75 mi2845-18135-5135-53997(Top 14%)391(Top 3%)391(Top 7%)
23M23.00 mi1.25 mi2832+13140-5140-53639(Top 13%)334(Top 3%)334(Top 6%)
24M24.00 mi1.00 mi2822+10142-2142-23438(Top 12%)335(Top 3%)335(Top 6%)
40K24.85 mi0.85 mi2832-10144-2144-23921(Top 14%)471(Top 4%)471(Top 9%)
25.2M25.20 mi0.35 mi2836-4146-2146-23876(Top 14%)510(Top 4%)510(Top 9%)
Finish26.22 mi1.02 mi2841-51461464254(Top 15%)609(Top 5%)609(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2657

Females

118

F18-39

118

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2458

Females

102

F18-39

102

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2657

Females

118

F18-39

118

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2755

Females

124

F18-39

124

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3572

Females

181

F18-39

181

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3066

Females

150

F18-39

150

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3269

Females

197

F18-39

197

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3933

Females

308

F18-39

308

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4132

Females

391

F18-39

391

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3997

Females

391

F18-39

391

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3639

Females

334

F18-39

334

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3438

Females

335

F18-39

335

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3921

Females

471

F18-39

471

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3876

Females

510

F18-39

510

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4254

Females

609

F18-39

609

Passing Analysis

Category:
Athletes Passed
667
Passed By
970
Net Change
-303
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2538
5K → 10K13984+55#2538#2483
10K → 15K60113-53#2483#2536
15K → 20K6294-32#2536#2568
20K → Half344-41#2568#2609
Half → 25K4594-49#2609#2658
25K → 30K77137-60#2658#2718
30K → 20M37104-67#2718#2785
20M → 21M3880-42#2785#2827
21M → 35K2442-18#2827#2845
35K → 23M5542+13#2845#2832
23M → 24M4030+10#2832#2822
24M → 40K3949-10#2822#2832
40K → 25.2M1620-4#2832#2836
25.2M → Finish3237-5#2836#2841
TOTALS667970-303
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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