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BOSTON MARATHON 2024

Xiaoyun Chen

Bib: 16114•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 45%
Gender (Female)
#0 / 10924
Top 32%
Masters (Masters Women)
#0 / 6263
Top 20%
Division (F50-54)
#0 / 1187
Top 13%
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
7:25/mi
23:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:10:13
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:35:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:40:36
↑ 19↓ 370.5%
25K· 15.53 mi
8:34/mi
2:01:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:30:17
↑ 181↓ 1480.2%
20M
9:19/mi
2:42:56
↑ 64↓ 500.2%
21M
9:54/mi
2:52:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:59:04
↑ 17↓ 861.7%
23M
8:46/mi
3:10:02
↑ 23↓ 630.6%
24M
8:23/mi
3:18:25
↓ 821.3%
40K· 24.85 mi
9:24/mi
3:26:27
↓ 200.3%
25.2M
10:23/mi
3:30:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:38:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:36
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:57:46
Pace8:59 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5923:047:2523:04
7:25
-
10K
6.21 mi11:40:0946:147:2623:10
7:27
+0:02
15K
9.32 mi12:04:081:10:137:3223:59
7:43
+0:16
20K
12.43 mi12:29:061:35:117:4024:58
8:02
+0:19
Half
13.11 mi12:34:311:40:367:405:25
7:56
-0:06
25K
15.53 mi12:55:182:01:237:4920:47
8:34
+0:38
30K
18.64 mi13:24:122:30:178:0428:54
9:18
+0:44
20M
20.00 mi13:36:512:42:568:0912:39
9:19
+0:01
21M
21.00 mi13:46:452:52:508:149:54
9:54
+0:35
35K
21.75 mi13:52:592:59:048:146:14
8:20
-1:34
23M
23.00 mi14:03:573:10:028:1610:58
8:46
+0:26
24M
24.00 mi14:12:203:18:258:168:23
8:23
-0:23
40K
24.85 mi14:20:223:26:278:188:02
9:24
+1:01
25.2M
25.20 mi14:23:573:30:028:203:35
10:23
+0:59
Finish
26.22 mi14:32:173:38:228:208:20
8:11
-2:12

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

7:25 /mi

Average Pace

8:20 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:38

35% of race

Time at Steady Pace

1:19:40

36% of race

Time at Slower Pace

1:03:04

29% of race

Average Pace: 8:20 /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 mi11:16:5923:047:2523:04
7:25
#10167
10K
6.21 mi11:40:0946:147:2623:10
7:27
#9954
15K
9.32 mi12:04:081:10:137:3223:59
7:43
#10460
20K
12.43 mi12:29:061:35:117:4024:58
8:02
#10872
Half
13.11 mi12:34:311:40:367:405:25
7:56
#10942
25K
15.53 mi12:55:182:01:237:4920:47
8:34
#11389
30K
18.64 mi13:24:122:30:178:0428:54
9:18
#12089
20M
20.00 mi13:36:512:42:568:0912:39
9:19
#12194
21M
21.00 mi13:46:452:52:508:149:54
9:54
#12183
35K
21.75 mi13:52:592:59:048:146:14
8:20
#12056
23M
23.00 mi14:03:573:10:028:1610:58
8:46
#11896
24M
24.00 mi14:12:203:18:258:168:23
8:23
#11702
40K
24.85 mi14:20:223:26:278:188:02
9:24
#11702
25.2M
25.20 mi14:23:573:30:028:203:35
10:23
#11719
Finish
26.22 mi14:32:173:38:228:208:20
8:11
#11584
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi101672101210111352(Top 44%)2875(Top 26%)2875(Top 242%)
10K6.21 mi3.10 mi9954+2132024+772024+779925(Top 39%)2067(Top 19%)2067(Top 174%)
15K9.32 mi3.11 mi10460-5062328-3042328-30411352(Top 44%)2875(Top 26%)2875(Top 242%)
20K12.43 mi3.11 mi10872-4122594-2662594-26612106(Top 47%)3378(Top 31%)3378(Top 285%)
Half13.11 mi0.68 mi10942-702640-462640-4612375(Top 48%)3530(Top 32%)3530(Top 297%)
25K15.53 mi2.42 mi11389-4472928-2882928-28813439(Top 53%)4284(Top 39%)4284(Top 361%)
30K18.64 mi3.11 mi12089-7003398-4703398-47014632(Top 57%)5216(Top 48%)5216(Top 439%)
20M20.00 mi1.36 mi12194-1053513-1153513-11513664(Top 53%)4940(Top 45%)4940(Top 416%)
21M21.00 mi1.00 mi12183+113573-603573-6012584(Top 49%)4565(Top 42%)4565(Top 385%)
35K21.75 mi0.75 mi12056+1273534+393534+399811(Top 38%)3127(Top 29%)3127(Top 263%)
23M23.00 mi1.25 mi11896+1603515+193515+199886(Top 39%)3339(Top 31%)3339(Top 281%)
24M24.00 mi1.00 mi11702+1943463+523463+528789(Top 34%)2852(Top 26%)2852(Top 240%)
40K24.85 mi0.85 mi117023510-473510-4712704(Top 50%)4891(Top 45%)4891(Top 412%)
25.2M25.20 mi0.35 mi11719-173539-293539-2912454(Top 49%)4819(Top 44%)4819(Top 406%)
Finish26.22 mi1.02 mi11584+1353512+273512+279680(Top 38%)3366(Top 31%)3366(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11352

Females

2875

F50-54

2875

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

9925

Females

2067

F50-54

2067

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11352

Females

2875

F50-54

2875

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12106

Females

3378

F50-54

3378

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12375

Females

3530

F50-54

3530

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13439

Females

4284

F50-54

4284

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

14632

Females

5216

F50-54

5216

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

13664

Females

4940

F50-54

4940

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12584

Females

4565

F50-54

4565

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

9811

Females

3127

F50-54

3127

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

9886

Females

3339

F50-54

3339

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

8789

Females

2852

F50-54

2852

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

12704

Females

4891

F50-54

4891

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12454

Females

4819

F50-54

4819

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

9680

Females

3366

F50-54

3366

Passing Analysis

Category:
Athletes Passed
1922*
Passed By
3337
Net Change
-1417
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10167
5K → 10K374*161+213#10167#9954
10K → 15K80584-506#9954#10460
15K → 20K114526-412#10460#10872
20K → Half2595-70#10872#10942
Half → 25K105552-447#10942#11389
25K → 30K123823-700#11389#12089
30K → 20M110215-105#12089#12194
20M → 21M138127+11#12194#12183
21M → 35K14215+127#12183#12056
35K → 23M21454+160#12056#11896
23M → 24M20410+194#11896#11702
24M → 40K99990#11702#11702
40K → 25.2M4057-17#11702#11719
25.2M → Finish15419+135#11719#11584
TOTALS1922*3337-1417

* 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