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BOSTON MARATHON 2024

Alice Pai

Bib: 14250•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 25%
Gender (Female)
#0 / 10924
Top 10%
Masters (Masters Women)
#0 / 6263
Top 3%
Division (F40-44)
#0 / 1613
Top 8%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:31/mi
23:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:30/mi
1:10:00
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:33:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:38:21
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:56:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:20:33
↑ 181↓ 1480.2%
20M
7:41/mi
2:30:59
↑ 64↓ 500.2%
21M
8:02/mi
2:39:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:44:33
↑ 17↓ 861.7%
23M
7:32/mi
2:53:59
↑ 23↓ 630.6%
24M
7:25/mi
3:01:24
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:07:52
↓ 200.3%
25.2M
8:25/mi
3:10:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:17:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:21
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:39:36
Pace7:36 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0923:217:3123:21
7:31
-
10K
6.21 mi11:18:3146:437:3123:22
7:31
0:00
15K
9.32 mi11:41:481:10:007:3123:17
7:30
-0:01
20K
12.43 mi12:05:051:33:177:3023:17
7:30
0:00
Half
13.11 mi12:10:091:38:217:305:04
7:26
-0:04
25K
15.53 mi12:28:331:56:457:3118:24
7:35
+0:09
30K
18.64 mi12:52:212:20:337:3223:48
7:40
+0:05
20M
20.00 mi13:02:472:30:597:3310:26
7:41
+0:01
21M
21.00 mi13:10:492:39:017:348:02
8:02
+0:21
35K
21.75 mi13:16:212:44:337:345:32
7:24
-0:38
23M
23.00 mi13:25:472:53:597:349:26
7:32
+0:08
24M
24.00 mi13:33:123:01:247:347:25
7:25
-0:07
40K
24.85 mi13:39:403:07:527:346:28
7:34
+0:09
25.2M
25.20 mi13:42:343:10:467:342:54
8:25
+0:51
Finish
26.22 mi13:49:453:17:577:337:11
7:03
-1:22

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

7:03 /mi

Average Pace

7:33 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:01

94% of race

Time at Steady Pace

8:02

4% of race

Time at Slower Pace

2:54

1% of race

Average Pace: 7:33 /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 mi10:55:0923:217:3123:21
7:31
#10897
10K
6.21 mi11:18:3146:437:3123:22
7:31
#10635
15K
9.32 mi11:41:481:10:007:3123:17
7:30
#10257
20K
12.43 mi12:05:051:33:177:3023:17
7:30
#9670
Half
13.11 mi12:10:091:38:217:305:04
7:26
#9607
25K
15.53 mi12:28:331:56:457:3118:24
7:35
#9201
30K
18.64 mi12:52:212:20:337:3223:48
7:40
#8428
20M
20.00 mi13:02:472:30:597:3310:26
7:41
#8089
21M
21.00 mi13:10:492:39:017:348:02
8:02
#7730
35K
21.75 mi13:16:212:44:337:345:32
7:24
#7527
23M
23.00 mi13:25:472:53:597:349:26
7:32
#7147
24M
24.00 mi13:33:123:01:247:347:25
7:25
#6892
40K
24.85 mi13:39:403:07:527:346:28
7:34
#6649
25.2M
25.20 mi13:42:343:10:467:342:54
8:25
#6570
Finish
26.22 mi13:49:453:17:577:337:11
7:03
#6379
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi10897250125019648(Top 38%)1993(Top 18%)1993(Top 124%)
10K6.21 mi3.10 mi10635+2622399+1022399+10210450(Top 41%)2324(Top 21%)2324(Top 144%)
15K9.32 mi3.11 mi10257+3782219+1802219+1809648(Top 38%)1993(Top 18%)1993(Top 124%)
20K12.43 mi3.11 mi9670+5871978+2411978+2418336(Top 33%)1518(Top 14%)1518(Top 94%)
Half13.11 mi0.68 mi9607+631957+211957+218592(Top 34%)1601(Top 15%)1601(Top 99%)
25K15.53 mi2.42 mi9201+4061798+1591798+1597572(Top 30%)1387(Top 13%)1387(Top 86%)
30K18.64 mi3.11 mi8428+7731566+2321566+2325927(Top 23%)944(Top 9%)944(Top 59%)
20M20.00 mi1.36 mi8089+3391475+911475+915114(Top 20%)790(Top 7%)790(Top 49%)
21M21.00 mi1.00 mi7730+3591369+1061369+1064325(Top 17%)658(Top 6%)658(Top 41%)
35K21.75 mi0.75 mi7527+2031319+501319+504640(Top 18%)743(Top 7%)743(Top 46%)
23M23.00 mi1.25 mi7147+3801220+991220+993779(Top 15%)536(Top 5%)536(Top 33%)
24M24.00 mi1.00 mi6892+2551158+621158+623852(Top 15%)632(Top 6%)632(Top 39%)
40K24.85 mi0.85 mi6649+2431118+401118+403782(Top 15%)704(Top 6%)704(Top 44%)
25.2M25.20 mi0.35 mi6570+791103+151103+154148(Top 16%)885(Top 8%)885(Top 55%)
Finish26.22 mi1.02 mi6379+1911071+321071+323377(Top 13%)586(Top 5%)586(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

9648

Females

1993

F40-44

1993

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10450

Females

2324

F40-44

2324

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

9648

Females

1993

F40-44

1993

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8336

Females

1518

F40-44

1518

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8592

Females

1601

F40-44

1601

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7572

Females

1387

F40-44

1387

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

5927

Females

944

F40-44

944

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5114

Females

790

F40-44

790

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4325

Females

658

F40-44

658

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

4640

Females

743

F40-44

743

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

3779

Females

536

F40-44

536

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

3852

Females

632

F40-44

632

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3782

Females

704

F40-44

704

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4148

Females

885

F40-44

885

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3377

Females

586

F40-44

586

Passing Analysis

Category:
Athletes Passed
4809*
Passed By
291
Net Change
+4518
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10897
5K → 10K416154+262#10897#10635
10K → 15K43456+378#10635#10257
15K → 20K602*15+587#10257#9670
20K → Half7310+63#9670#9607
Half → 25K41913+406#9607#9201
25K → 30K7818+773#9201#8428
30K → 20M3489+339#8428#8089
20M → 21M3612+359#8089#7730
21M → 35K2041+203#7730#7527
35K → 23M3855+380#7527#7147
23M → 24M2583+255#7147#6892
24M → 40K2452+243#6892#6649
40K → 25.2M856+79#6649#6570
25.2M → Finish1987+191#6570#6379
TOTALS4809*291+4518

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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