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BOSTON MARATHON 2024

Joanna Chen

Bib: 13147•F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 22%
Division (F18-39)
#0 / 4660
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:52
Rank: #9655
Start → 5K
22:52 | 7:22/mi
10K· 6.21 mi
45:50
Rank: #9460 (+195)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:01
Rank: #9393 (+67)
10K → 15K
23:11 | 7:28/mi
20K· 12.43 mi
1:32:52
Rank: #9415 (-22)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:38:07
Rank: #9471 (-56)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
1:57:02
Rank: #9320 (+151)
Half → 25K
18:55 | 7:48/mi
30K· 18.64 mi
2:22:58
Rank: #9324 (-4)
25K → 30K
25:56 | 8:21/mi
20M
2:34:39
Rank: #9328 (-4)
30K → 20M
11:41 | 8:36/mi
21M
2:44:12
Rank: #9357 (-29)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
2:50:28
Rank: #9345 (+12)
21M → 35K
6:16 | 8:23/mi
23M
3:01:31
Rank: #9342 (+3)
35K → 23M
11:03 | 8:50/mi
24M
3:09:52
Rank: #9290 (+52)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:17:24
Rank: #9300 (-10)
24M → 40K
7:32 | 8:49/mi
25.2M
3:20:47
Rank: #9315 (-15)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:29:48
Rank: #9512 (-197)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:07
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:51:41
Pace8:31 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0422:527:2222:52
7:22
-
10K
6.21 mi11:16:0245:507:2322:58
7:24
+0:02
15K
9.32 mi11:39:131:09:017:2423:11
7:28
+0:04
20K
12.43 mi12:03:041:32:527:2823:51
7:41
+0:13
Half
13.11 mi12:08:191:38:077:295:15
7:42
+0:01
25K
15.53 mi12:27:141:57:027:3218:55
7:48
+0:06
30K
18.64 mi12:53:102:22:587:4025:56
8:21
+0:33
20M
20.00 mi13:04:512:34:397:4411:41
8:36
+0:15
21M
21.00 mi13:14:242:44:127:499:33
9:33
+0:57
35K
21.75 mi13:20:402:50:287:506:16
8:23
-1:10
23M
23.00 mi13:31:433:01:317:5411:03
8:50
+0:27
24M
24.00 mi13:40:043:09:527:558:21
8:21
-0:29
40K
24.85 mi13:47:363:17:247:577:32
8:49
+0:28
25.2M
25.20 mi13:50:593:20:477:583:23
9:49
+1:00
Finish
26.22 mi14:00:003:29:488:009:01
8:51
-0:58

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

7:22 /mi

Average Pace

8:00 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:02

56% of race

Time at Steady Pace

52:14

25% of race

Time at Slower Pace

40:32

19% of race

Average Pace: 8:00 /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 mi10:53:0422:527:2222:52
7:22
#9655
10K
6.21 mi11:16:0245:507:2322:58
7:24
#9460
15K
9.32 mi11:39:131:09:017:2423:11
7:28
#9393
20K
12.43 mi12:03:041:32:527:2823:51
7:41
#9415
Half
13.11 mi12:08:191:38:077:295:15
7:42
#9471
25K
15.53 mi12:27:141:57:027:3218:55
7:48
#9320
30K
18.64 mi12:53:102:22:587:4025:56
8:21
#9324
20M
20.00 mi13:04:512:34:397:4411:41
8:36
#9328
21M
21.00 mi13:14:242:44:127:499:33
9:33
#9357
35K
21.75 mi13:20:402:50:287:506:16
8:23
#9345
23M
23.00 mi13:31:433:01:317:5411:03
8:50
#9342
24M
24.00 mi13:40:043:09:527:558:21
8:21
#9290
40K
24.85 mi13:47:363:17:247:577:32
8:49
#9300
25.2M
25.20 mi13:50:593:20:477:583:23
9:49
#9315
Finish
26.22 mi14:00:003:29:488:009:01
8:51
#9512
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9655186918699374(Top 37%)1869(Top 17%)1869(Top 40%)
10K6.21 mi3.10 mi9460+1951806+631806+639384(Top 37%)1828(Top 17%)1828(Top 39%)
15K9.32 mi3.11 mi9393+671807-11807-19374(Top 37%)1869(Top 17%)1869(Top 40%)
20K12.43 mi3.11 mi9415-221853-461853-469597(Top 38%)2121(Top 19%)2121(Top 46%)
Half13.11 mi0.68 mi9471-561885-321885-3210609(Top 42%)2601(Top 24%)2601(Top 56%)
25K15.53 mi2.42 mi9320+1511861+241861+248952(Top 35%)1985(Top 18%)1985(Top 43%)
30K18.64 mi3.11 mi9324-41969-1081969-1089822(Top 38%)2615(Top 24%)2615(Top 56%)
20M20.00 mi1.36 mi9328-42027-582027-589983(Top 39%)2935(Top 27%)2935(Top 63%)
21M21.00 mi1.00 mi9357-292118-912118-9111073(Top 43%)3773(Top 35%)3773(Top 81%)
35K21.75 mi0.75 mi9345+122144-262144-2610021(Top 39%)3231(Top 30%)3231(Top 69%)
23M23.00 mi1.25 mi9342+32208-642208-6410253(Top 40%)3521(Top 32%)3521(Top 76%)
24M24.00 mi1.00 mi9290+522223-152223-158575(Top 34%)2744(Top 25%)2744(Top 59%)
40K24.85 mi0.85 mi9300-102270-472270-479952(Top 39%)3541(Top 32%)3541(Top 76%)
25.2M25.20 mi0.35 mi9315-152298-282298-2810155(Top 40%)3685(Top 34%)3685(Top 79%)
Finish26.22 mi1.02 mi9512-1972425-1272425-12713432(Top 53%)5180(Top 47%)5180(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9374

Females

1869

F18-39

1869

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9384

Females

1828

F18-39

1828

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9374

Females

1869

F18-39

1869

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9597

Females

2121

F18-39

2121

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

10609

Females

2601

F18-39

2601

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

8952

Females

1985

F18-39

1985

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

9822

Females

2615

F18-39

2615

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

9983

Females

2935

F18-39

2935

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11073

Females

3773

F18-39

3773

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10021

Females

3231

F18-39

3231

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10253

Females

3521

F18-39

3521

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

8575

Females

2744

F18-39

2744

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

9952

Females

3541

F18-39

3541

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10155

Females

3685

F18-39

3685

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

13432

Females

5180

F18-39

5180

Passing Analysis

Category:
Athletes Passed
2112
Passed By
1969
Net Change
+143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9655
5K → 10K350155+195#9655#9460
10K → 15K218151+67#9460#9393
15K → 20K213235-22#9393#9415
20K → Half2379-56#9415#9471
Half → 25K267116+151#9471#9320
25K → 30K270274-4#9320#9324
30K → 20M139143-4#9324#9328
20M → 21M123152-29#9328#9357
21M → 35K7361+12#9357#9345
35K → 23M155152+3#9345#9342
23M → 24M11866+52#9342#9290
24M → 40K8797-10#9290#9300
40K → 25.2M4257-15#9300#9315
25.2M → Finish34231-197#9315#9512
TOTALS21121969+143
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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