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BOSTON MARATHON 2024

Alice Duan

Bib: 16050•F

CA

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0:00
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:16
Rank: #17542
Start → 5K
8:27/mi
26:16 split
10K· 6.21 mi
53:32
Rank: #18169 (-627)
5K → 10K
8:47/mi
27:16 split
15K· 9.32 mi
1:20:11
Rank: #17704 (+465)
10K → 15K
8:35/mi
26:39 split
20K· 12.43 mi
1:47:07
Rank: #17089 (+615)
15K → 20K
8:40/mi
26:56 split
Half· 13.11 mi
1:53:00
Rank: #17041 (+48)
20K → Half
8:37/mi
5:53 split
25K· 15.53 mi
2:15:43
Rank: #17033 (+8)
Half → 25K
9:22/mi
22:43 split
30K· 18.64 mi
2:47:37
Rank: #17325 (-292)
25K → 30K
10:16/mi
31:54 split
20M
3:02:32
Rank: #17562 (-237)
30K → 20M
10:59/mi
14:55 split
21M
3:14:01
Rank: #17598 (-36)
20M → 21M
11:29/mi
11:29 split
35K· 21.75 mi
3:22:26
Rank: #17763 (-165)
21M → 35K
11:15/mi
8:25 split
23M
3:36:54
Rank: #17905 (-142)
35K → 23M
11:33/mi
14:28 split
24M
3:46:54
Rank: #17815 (+90)
23M → 24M
10:00/mi
10:00 split
40K· 24.85 mi
3:56:09
Rank: #17804 (+11)
24M → 40K
10:49/mi
9:15 split
25.2M
4:01:30
Rank: #17952 (-148)
40K → 25.2M
15:31/mi
5:21 split
Finish· 26.22 mi
4:10:36
Rank: #17789 (+163)
25.2M → Finish
8:56/mi
9:06 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:00
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time2:17:36
Pace10:30 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4826:168:2726:16
8:27
-
10K
6.21 mi11:45:0453:328:3727:16
8:47
+0:20
15K
9.32 mi12:11:431:20:118:3626:39
8:35
-0:12
20K
12.43 mi12:38:391:47:078:3726:56
8:40
+0:05
Half
13.11 mi12:44:321:53:008:375:53
8:37
-0:03
25K
15.53 mi13:07:152:15:438:4422:43
9:22
+0:45
30K
18.64 mi13:39:092:47:379:0031:54
10:16
+0:54
20M
20.00 mi13:54:043:02:329:0814:55
10:59
+0:43
21M
21.00 mi14:05:333:14:019:1411:29
11:29
+0:30
35K
21.75 mi14:13:583:22:269:188:25
11:15
-0:14
23M
23.00 mi14:28:263:36:549:2614:28
11:33
+0:18
24M
24.00 mi14:38:263:46:549:2710:00
10:00
-1:33
40K
24.85 mi14:47:413:56:099:309:15
10:49
+0:49
25.2M
25.20 mi14:53:024:01:309:355:21
15:31
+4:42
Finish
26.22 mi15:02:084:10:369:349:06
8:56
-6:35

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

8:27 /mi

Average Pace

9:34 /mi

Slowest Pace

15:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:06

49% of race

Time at Steady Pace

1:13:52

29% of race

Time at Slower Pace

54:38

22% of race

Average Pace: 9:33 /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 mi11:17:4826:168:2726:16
8:27
#17542
10K
6.21 mi11:45:0453:328:3727:16
8:47
#18169
15K
9.32 mi12:11:431:20:118:3626:39
8:35
#17704
20K
12.43 mi12:38:391:47:078:3726:56
8:40
#17089
Half
13.11 mi12:44:321:53:008:375:53
8:37
#17041
25K
15.53 mi13:07:152:15:438:4422:43
9:22
#17033
30K
18.64 mi13:39:092:47:379:0031:54
10:16
#17325
20M
20.00 mi13:54:043:02:329:0814:55
10:59
#17562
21M
21.00 mi14:05:333:14:019:1411:29
11:29
#17598
35K
21.75 mi14:13:583:22:269:188:25
11:15
#17763
23M
23.00 mi14:28:263:36:549:2614:28
11:33
#17905
24M
24.00 mi14:38:263:46:549:2710:00
10:00
#17815
40K
24.85 mi14:47:413:56:099:309:15
10:49
#17804
25.2M
25.20 mi14:53:024:01:309:355:21
15:31
#17952
Finish
26.22 mi15:02:084:10:369:349:06
8:56
#17789
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi175426494649416845(Top 66%)6049(Top 55%)6049(Top 130%)
10K6.21 mi3.10 mi18169-6276845-3516845-35118762(Top 73%)7172(Top 66%)7172(Top 154%)
15K9.32 mi3.11 mi17704+4656555+2906555+29016845(Top 66%)6049(Top 55%)6049(Top 130%)
20K12.43 mi3.11 mi17089+6156215+3406215+34015704(Top 61%)5407(Top 49%)5407(Top 116%)
Half13.11 mi0.68 mi17041+486198+176198+1716467(Top 64%)5926(Top 54%)5926(Top 127%)
25K15.53 mi2.42 mi17033+86218-206218-2017092(Top 67%)6324(Top 58%)6324(Top 136%)
30K18.64 mi3.11 mi17325-2926444-2266444-22618166(Top 71%)7127(Top 65%)7127(Top 153%)
20M20.00 mi1.36 mi17562-2376615-1716615-17119244(Top 75%)7826(Top 72%)7826(Top 168%)
21M21.00 mi1.00 mi17598-366659-446659-4417633(Top 69%)7155(Top 65%)7155(Top 154%)
35K21.75 mi0.75 mi17763-1656782-1236782-12320350(Top 80%)8518(Top 78%)8518(Top 183%)
23M23.00 mi1.25 mi17905-1426883-1016883-10119778(Top 77%)8283(Top 76%)8283(Top 178%)
24M24.00 mi1.00 mi17815+906863+206863+2016360(Top 64%)6629(Top 61%)6629(Top 142%)
40K24.85 mi0.85 mi17804+116874-116874-1117626(Top 69%)7331(Top 67%)7331(Top 157%)
25.2M25.20 mi0.35 mi17952-1486968-946968-9423579(Top 92%)10184(Top 93%)10184(Top 219%)
Finish26.22 mi1.02 mi17789+1636904+646904+6413886(Top 54%)5425(Top 50%)5425(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

16845

Females

6049

F18-39

6049

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

18762

Females

7172

F18-39

7172

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

16845

Females

6049

F18-39

6049

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

15704

Females

5407

F18-39

5407

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

16467

Females

5926

F18-39

5926

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17092

Females

6324

F18-39

6324

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18166

Females

7127

F18-39

7127

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19244

Females

7826

F18-39

7826

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

17633

Females

7155

F18-39

7155

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

20350

Females

8518

F18-39

8518

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

19778

Females

8283

F18-39

8283

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

16360

Females

6629

F18-39

6629

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

17626

Females

7331

F18-39

7331

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

23579

Females

10184

F18-39

10184

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

13886

Females

5425

F18-39

5425

Passing Analysis

Category:
Athletes Passed
2301
Passed By
2548
Net Change
-247
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17542
5K → 10K93720-627#17542#18169
10K → 15K51651+465#18169#17704
15K → 20K64126+615#17704#17089
20K → Half6517+48#17089#17041
Half → 25K200192+8#17041#17033
25K → 30K173465-292#17033#17325
30K → 20M52289-237#17325#17562
20M → 21M89125-36#17562#17598
21M → 35K37202-165#17598#17763
35K → 23M66208-142#17763#17905
23M → 24M12232+90#17905#17815
24M → 40K6958+11#17815#17804
40K → 25.2M10158-148#17804#17952
25.2M → Finish1685+163#17952#17789
TOTALS23012548-247
📊

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