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BOSTON MARATHON 2024

Annamaria Chen

Bib: 22179•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
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
9:19/mi
28:56
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
57:28
↑ 79↓ 1380.4%
15K· 9.32 mi
9:11/mi
1:25:59
↑ 67↓ 78
20K· 12.43 mi
9:33/mi
1:55:39
↑ 106↓ 860.1%
Half· 13.11 mi
9:16/mi
2:01:58
↑ 19↓ 370.5%
25K· 15.53 mi
10:03/mi
2:26:21
↑ 66↓ 880.2%
30K· 18.64 mi
10:07/mi
2:57:47
↑ 181↓ 1480.2%
20M
10:14/mi
3:11:41
↑ 64↓ 500.2%
21M
12:32/mi
3:24:13
↑ 106↓ 241.6%
35K· 21.75 mi
10:31/mi
3:32:05
↑ 17↓ 861.7%
23M
10:17/mi
3:44:58
↑ 23↓ 630.6%
24M
9:47/mi
3:54:45
↓ 821.3%
40K· 24.85 mi
10:14/mi
4:03:30
↓ 200.3%
25.2M
11:33/mi
4:07:29
↑ 13↓ 160.2%
Finish· 26.22 mi
9:29/mi
4:17:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:58
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:15:11
Pace10:19 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4728:569:1928:56
9:19
-
10K
6.21 mi11:55:1957:289:1528:32
9:11
-0:08
15K
9.32 mi12:23:501:25:599:1428:31
9:11
0:00
20K
12.43 mi12:53:301:55:399:1829:40
9:33
+0:22
Half
13.11 mi12:59:492:01:589:186:19
9:16
-0:17
25K
15.53 mi13:24:122:26:219:2524:23
10:03
+0:47
30K
18.64 mi13:55:382:57:479:3231:26
10:07
+0:04
20M
20.00 mi14:09:323:11:419:3513:54
10:14
+0:07
21M
21.00 mi14:22:043:24:139:4312:32
12:32
+2:18
35K
21.75 mi14:29:563:32:059:457:52
10:31
-2:01
23M
23.00 mi14:42:493:44:589:4712:53
10:17
-0:14
24M
24.00 mi14:52:363:54:459:479:47
9:47
-0:30
40K
24.85 mi15:01:214:03:309:488:45
10:14
+0:27
25.2M
25.20 mi15:05:204:07:299:493:59
11:33
+1:19
Finish
26.22 mi15:15:004:17:099:499:40
9:29
-2:04

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

9:11 /mi

Average Pace

9:49 /mi

Slowest Pace

12:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:38

51% of race

Time at Steady Pace

1:41:08

39% of race

Time at Slower Pace

24:23

9% of race

Average Pace: 9:48 /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 mi11:26:4728:569:1928:56
9:19
#21154
10K
6.21 mi11:55:1957:289:1528:32
9:11
#20812
15K
9.32 mi12:23:501:25:599:1428:31
9:11
#20403
20K
12.43 mi12:53:301:55:399:1829:40
9:33
#20132
Half
13.11 mi12:59:492:01:589:186:19
9:16
#20089
25K
15.53 mi13:24:122:26:219:2524:23
10:03
#19941
30K
18.64 mi13:55:382:57:479:3231:26
10:07
#19482
20M
20.00 mi14:09:323:11:419:3513:54
10:14
#19290
21M
21.00 mi14:22:043:24:139:4312:32
12:32
#19328
35K
21.75 mi14:29:563:32:059:457:52
10:31
#19282
23M
23.00 mi14:42:493:44:589:4712:53
10:17
#19075
24M
24.00 mi14:52:363:54:459:479:47
9:47
#18903
40K
24.85 mi15:01:214:03:309:488:45
10:14
#18767
25.2M
25.20 mi15:05:204:07:299:493:59
11:33
#18728
Finish
26.22 mi15:15:004:17:099:499:40
9:29
#18635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi211548479847919646(Top 77%)7598(Top 70%)7598(Top 640%)
10K6.21 mi3.10 mi20812+3428285+1948285+19420448(Top 80%)8070(Top 74%)8070(Top 680%)
15K9.32 mi3.11 mi20403+4098038+2478038+24719646(Top 77%)7598(Top 70%)7598(Top 640%)
20K12.43 mi3.11 mi20132+2717887+1517887+15119368(Top 76%)7472(Top 68%)7472(Top 629%)
Half13.11 mi0.68 mi20089+437874+137874+1319318(Top 76%)7505(Top 69%)7505(Top 632%)
25K15.53 mi2.42 mi19941+1487808+667808+6619273(Top 75%)7524(Top 69%)7524(Top 634%)
30K18.64 mi3.11 mi19482+4597632+1767632+17617714(Top 69%)6892(Top 63%)6892(Top 581%)
20M20.00 mi1.36 mi19290+1927564+687564+6817217(Top 67%)6832(Top 63%)6832(Top 576%)
21M21.00 mi1.00 mi19328-387603-397603-3919928(Top 78%)8285(Top 76%)8285(Top 698%)
35K21.75 mi0.75 mi19282+467592+117592+1118627(Top 73%)7644(Top 70%)7644(Top 644%)
23M23.00 mi1.25 mi19075+2077503+897503+8916413(Top 64%)6608(Top 60%)6608(Top 557%)
24M24.00 mi1.00 mi18903+1727428+757428+7515606(Top 61%)6259(Top 57%)6259(Top 527%)
40K24.85 mi0.85 mi18767+1367378+507378+5015840(Top 62%)6421(Top 59%)6421(Top 541%)
25.2M25.20 mi0.35 mi18728+397372+67372+616229(Top 64%)6656(Top 61%)6656(Top 561%)
Finish26.22 mi1.02 mi18635+937353+197353+1916499(Top 65%)6763(Top 62%)6763(Top 570%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

19646

Females

7598

F50-54

7598

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

20448

Females

8070

F50-54

8070

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

19646

Females

7598

F50-54

7598

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19368

Females

7472

F50-54

7472

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

19318

Females

7505

F50-54

7505

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19273

Females

7524

F50-54

7524

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

17714

Females

6892

F50-54

6892

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17217

Females

6832

F50-54

6832

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19928

Females

8285

F50-54

8285

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18627

Females

7644

F50-54

7644

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

16413

Females

6608

F50-54

6608

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

15606

Females

6259

F50-54

6259

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15840

Females

6421

F50-54

6421

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16229

Females

6656

F50-54

6656

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

16499

Females

6763

F50-54

6763

Passing Analysis

Category:
Athletes Passed
3074
Passed By
555
Net Change
+2519
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21154
5K → 10K443101+342#21154#20812
10K → 15K45950+409#20812#20403
15K → 20K34372+271#20403#20132
20K → Half5512+43#20132#20089
Half → 25K23789+148#20089#19941
25K → 30K47617+459#19941#19482
30K → 20M20513+192#19482#19290
20M → 21M69107-38#19290#19328
21M → 35K8135+46#19328#19282
35K → 23M22114+207#19282#19075
23M → 24M1786+172#19075#18903
24M → 40K1404+136#18903#18767
40K → 25.2M5213+39#18767#18728
25.2M → Finish11522+93#18728#18635
TOTALS3074555+2519
📊

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