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BOSTON MARATHON 2024

Sofie Chandra

Bib: 27440•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
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
11:54/mi
37:00
↑ 97↓ 3451.5%
10K· 6.21 mi
11:54/mi
1:13:59
↑ 79↓ 1380.4%
15K· 9.32 mi
15:17/mi
2:01:29
↑ 67↓ 78
20K· 12.43 mi
13:18/mi
2:42:49
↑ 106↓ 860.1%
Half· 13.11 mi
12:25/mi
2:51:17
↑ 19↓ 370.5%
25K· 15.53 mi
16:15/mi
3:30:40
↑ 66↓ 880.2%
30K· 18.64 mi
15:08/mi
4:17:42
↑ 181↓ 1480.2%
20M
15:08/mi
4:38:16
↑ 64↓ 500.2%
21M
15:08/mi
4:53:24
↑ 106↓ 241.6%
35K· 21.75 mi
15:08/mi
5:04:44
↑ 17↓ 861.7%
23M
15:05/mi
5:23:37
↑ 23↓ 630.6%
24M
13:14/mi
5:36:51
↓ 821.3%
40K· 24.85 mi
14:03/mi
5:48:52
↓ 200.3%
25.2M
12:43/mi
5:53:15
↑ 13↓ 160.2%
Finish· 26.22 mi
11:42/mi
6:05:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:51:17
Pace13:04 /mi
2nd Half
Distance13.11 mi
Time3:13:53
Pace14:47 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3237:0011:5437:00
11:54
-
10K
6.21 mi12:32:311:13:5911:5437:00
11:54
0:00
15K
9.32 mi13:20:012:01:2913:0247:30
15:17
+3:23
20K
12.43 mi14:01:212:42:4913:0641:20
13:18
-1:59
Half
13.11 mi14:09:492:51:1713:048:28
12:25
-0:53
25K
15.53 mi14:49:123:30:4013:3439:23
16:15
+3:50
30K
18.64 mi15:36:144:17:4213:4947:02
15:08
-1:07
20M
20.00 mi15:56:484:38:1613:5520:34
15:08
0:00
21M
21.00 mi16:11:564:53:2413:5815:08
15:08
0:00
35K
21.75 mi16:23:165:04:4414:0111:20
15:08
0:00
23M
23.00 mi16:42:095:23:3714:0418:53
15:05
-0:03
24M
24.00 mi16:55:235:36:5114:0213:14
13:14
-1:51
40K
24.85 mi17:07:245:48:5214:0212:01
14:03
+0:49
25.2M
25.20 mi17:11:475:53:1514:014:23
12:43
-1:20
Finish
26.22 mi17:23:426:05:1013:5611:55
11:42
-1:01

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

11:42 /mi

Average Pace

13:56 /mi

Slowest Pace

16:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:19

42% of race

Time at Steady Pace

12:01

3% of race

Time at Slower Pace

3:19:50

55% of race

Average Pace: 13:56 /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 mi11:55:3237:0011:5437:00
11:54
#25389
10K
6.21 mi12:32:311:13:5911:5437:00
11:54
#25279
15K
9.32 mi13:20:012:01:2913:0247:30
15:17
#25496
20K
12.43 mi14:01:212:42:4913:0641:20
13:18
#25463
Half
13.11 mi14:09:492:51:1713:048:28
12:25
#25451
25K
15.53 mi14:49:123:30:4013:3439:23
16:15
#25502
30K
18.64 mi15:36:144:17:4213:4947:02
15:08
#25493
20M
20.00 mi15:56:484:38:1613:5520:34
15:08
#25492
21M
21.00 mi16:11:564:53:2413:5815:08
15:08
#25478
35K
21.75 mi16:23:165:04:4414:0111:20
15:08
#25488
23M
23.00 mi16:42:095:23:3714:0418:53
15:05
#25497
24M
24.00 mi16:55:235:36:5114:0213:14
13:14
#25489
40K
24.85 mi17:07:245:48:5214:0212:01
14:03
#25485
25.2M
25.20 mi17:11:475:53:1514:014:23
12:43
#25472
Finish
26.22 mi17:23:426:05:1013:5611:55
11:42
#25448
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25389108251082525539(Top 100%)10917(Top 100%)10917(Top 677%)
10K6.21 mi3.10 mi25279+11010750+7510750+7525066(Top 98%)10606(Top 97%)10606(Top 658%)
15K9.32 mi3.11 mi25496-21710900-15010900-15025539(Top 100%)10917(Top 100%)10917(Top 677%)
20K12.43 mi3.11 mi25463+3310879+2110879+2125061(Top 98%)10630(Top 97%)10630(Top 659%)
Half13.11 mi0.68 mi25451+1210870+910870+924870(Top 97%)10548(Top 97%)10548(Top 654%)
25K15.53 mi2.42 mi25502-5110905-3510905-3525471(Top 100%)10890(Top 100%)10890(Top 675%)
30K18.64 mi3.11 mi25493+910901+410901+425029(Top 98%)10705(Top 98%)10705(Top 664%)
20M20.00 mi1.36 mi25492+110899+210899+224835(Top 97%)10635(Top 97%)10635(Top 659%)
21M21.00 mi1.00 mi25478+1410894+510894+523719(Top 93%)10138(Top 93%)10138(Top 629%)
35K21.75 mi0.75 mi25488-1010897-310897-324924(Top 98%)10705(Top 98%)10705(Top 664%)
23M23.00 mi1.25 mi25497-910902-510902-524714(Top 97%)10618(Top 97%)10618(Top 658%)
24M24.00 mi1.00 mi25489+810898+410898+423407(Top 92%)10105(Top 93%)10105(Top 626%)
40K24.85 mi0.85 mi25485+410896+210896+223689(Top 93%)10258(Top 94%)10258(Top 636%)
25.2M25.20 mi0.35 mi25472+1310890+610890+619108(Top 75%)8082(Top 74%)8082(Top 501%)
Finish26.22 mi1.02 mi25448+2410879+1110879+1122788(Top 89%)9845(Top 90%)9845(Top 610%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21story building
+97ft-345ft

Overall

25539

Females

10917

F40-44

10917

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

25066

Females

10606

F40-44

10606

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

25539

Females

10917

F40-44

10917

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

25061

Females

10630

F40-44

10630

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

24870

Females

10548

F40-44

10548

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

25471

Females

10890

F40-44

10890

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

25029

Females

10705

F40-44

10705

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

24835

Females

10635

F40-44

10635

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

23719

Females

10138

F40-44

10138

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

24924

Females

10705

F40-44

10705

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

24714

Females

10618

F40-44

10618

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

23407

Females

10105

F40-44

10105

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

23689

Females

10258

F40-44

10258

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19108

Females

8082

F40-44

8082

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

22788

Females

9845

F40-44

9845

Passing Analysis

Category:
Athletes Passed
266
Passed By
325
Net Change
-59
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25389
5K → 10K12313+110#25389#25279
10K → 15K3220-217#25279#25496
15K → 20K352+33#25496#25463
20K → Half120+12#25463#25451
Half → 25K354-51#25451#25502
25K → 30K156+9#25502#25493
30K → 20M65+1#25493#25492
20M → 21M162+14#25492#25478
21M → 35K010-10#25478#25488
35K → 23M211-9#25488#25497
23M → 24M80+8#25497#25489
24M → 40K62+4#25489#25485
40K → 25.2M130+13#25485#25472
25.2M → Finish240+24#25472#25448
TOTALS266325-59
📊

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