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BOSTON MARATHON 2024

Iris Zhao

Bib: 15599•F

NY

0:00
0:00
/ mi
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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
35:36
Rank: #25183
Start → 5K
35:36 | 11:28/mi
10K· 6.21 mi
1:11:13
Rank: #24996 (+187)
5K → 10K
35:37 | 11:28/mi
15K· 9.32 mi
1:48:00
Rank: #24893 (+103)
10K → 15K
36:47 | 11:50/mi
20K· 12.43 mi
2:25:46
Rank: #24737 (+156)
15K → 20K
37:46 | 12:09/mi
Half· 13.11 mi
2:34:29
Rank: #24768 (-31)
20K → Half
8:43 | 12:47/mi
25K· 15.53 mi
3:08:15
Rank: #24837 (-69)
Half → 25K
33:46 | 13:56/mi
30K· 18.64 mi
3:53:48
Rank: #24851 (-14)
25K → 30K
45:33 | 14:40/mi
20M
4:13:08
Rank: #24814 (+37)
30K → 20M
19:20 | 14:14/mi
21M
4:28:32
Rank: #24801 (+13)
20M → 21M
15:24 | 15:24/mi
35K· 21.75 mi
4:39:30
Rank: #24809 (-8)
21M → 35K
10:58 | 14:40/mi
23M
4:56:34
Rank: #24787 (+22)
35K → 23M
17:04 | 13:38/mi
24M
5:09:17
Rank: #24742 (+45)
23M → 24M
12:43 | 12:43/mi
40K· 24.85 mi
5:21:07
Rank: #24709 (+33)
24M → 40K
11:50 | 13:50/mi
25.2M
5:25:59
Rank: #24685 (+24)
40K → 25.2M
4:52 | 14:07/mi
Finish· 26.22 mi
5:38:28
Rank: #24655 (+30)
25.2M → Finish
12:29 | 12:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:29
Pace11:47 /mi
2nd Half
Distance13.11 mi
Time3:03:59
Pace14:02 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:0435:3611:2835:36
11:28
-
10K
6.21 mi11:42:411:11:1311:2835:37
11:28
0:00
15K
9.32 mi12:19:281:48:0011:3536:47
11:50
+0:22
20K
12.43 mi12:57:142:25:4611:4437:46
12:09
+0:19
Half
13.11 mi13:05:572:34:2911:478:43
12:47
+0:38
25K
15.53 mi13:39:433:08:1512:0733:46
13:56
+1:09
30K
18.64 mi14:25:163:53:4812:3345:33
14:40
+0:44
20M
20.00 mi14:44:364:13:0812:3919:20
14:14
-0:26
21M
21.00 mi15:00:004:28:3212:4715:24
15:24
+1:10
35K
21.75 mi15:10:584:39:3012:5110:58
14:40
-0:44
23M
23.00 mi15:28:024:56:3412:5417:04
13:38
-1:02
24M
24.00 mi15:40:455:09:1712:5312:43
12:43
-0:55
40K
24.85 mi15:52:355:21:0712:5511:50
13:50
+1:07
25.2M
25.20 mi15:57:275:25:5912:564:52
14:07
+0:17
Finish
26.22 mi16:09:565:38:2812:5512:29
12:15
-1:52

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

11:28 /mi

Average Pace

12:55 /mi

Slowest Pace

15:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:41

53% of race

Time at Steady Pace

1:26:52

26% of race

Time at Slower Pace

1:11:55

21% of race

Average Pace: 12:55 /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 mi11:07:0435:3611:2835:36
11:28
#25183
10K
6.21 mi11:42:411:11:1311:2835:37
11:28
#24996
15K
9.32 mi12:19:281:48:0011:3536:47
11:50
#24893
20K
12.43 mi12:57:142:25:4611:4437:46
12:09
#24737
Half
13.11 mi13:05:572:34:2911:478:43
12:47
#24768
25K
15.53 mi13:39:433:08:1512:0733:46
13:56
#24837
30K
18.64 mi14:25:163:53:4812:3345:33
14:40
#24851
20M
20.00 mi14:44:364:13:0812:3919:20
14:14
#24814
21M
21.00 mi15:00:004:28:3212:4715:24
15:24
#24801
35K
21.75 mi15:10:584:39:3012:5110:58
14:40
#24809
23M
23.00 mi15:28:024:56:3412:5417:04
13:38
#24787
24M
24.00 mi15:40:455:09:1712:5312:43
12:43
#24742
40K
24.85 mi15:52:355:21:0712:5511:50
13:50
#24709
25.2M
25.20 mi15:57:275:25:5912:564:52
14:07
#24685
Finish
26.22 mi16:09:565:38:2812:5512:29
12:15
#24655
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25183106831068324570(Top 96%)10321(Top 94%)10321(Top 221%)
10K6.21 mi3.10 mi24996+18710558+12510558+12524741(Top 97%)10410(Top 95%)10410(Top 223%)
15K9.32 mi3.11 mi24893+10310500+5810500+5824570(Top 96%)10321(Top 94%)10321(Top 221%)
20K12.43 mi3.11 mi24737+15610407+9310407+9324148(Top 95%)10097(Top 92%)10097(Top 217%)
Half13.11 mi0.68 mi24768-3110424-1710424-1725088(Top 98%)10679(Top 98%)10679(Top 229%)
25K15.53 mi2.42 mi24837-6910485-6110485-6124887(Top 97%)10571(Top 97%)10571(Top 227%)
30K18.64 mi3.11 mi24851-1410508-2310508-2324704(Top 97%)10520(Top 96%)10520(Top 226%)
20M20.00 mi1.36 mi24814+3710491+1710491+1724161(Top 95%)10308(Top 94%)10308(Top 221%)
21M21.00 mi1.00 mi24801+1310490+110490+124007(Top 94%)10270(Top 94%)10270(Top 220%)
35K21.75 mi0.75 mi24809-810501-1110501-1124731(Top 97%)10630(Top 97%)10630(Top 228%)
23M23.00 mi1.25 mi24787+2210504-310504-323383(Top 92%)10014(Top 92%)10014(Top 215%)
24M24.00 mi1.00 mi24742+4510486+1810486+1822651(Top 89%)9733(Top 89%)9733(Top 209%)
40K24.85 mi0.85 mi24709+3310473+1310473+1323443(Top 92%)10137(Top 93%)10137(Top 218%)
25.2M25.20 mi0.35 mi24685+2410461+1210461+1221803(Top 85%)9386(Top 86%)9386(Top 201%)
Finish26.22 mi1.02 mi24655+3010448+1310448+1323575(Top 92%)10205(Top 93%)10205(Top 219%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

24570

Females

10321

F18-39

10321

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

24741

Females

10410

F18-39

10410

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

24570

Females

10321

F18-39

10321

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

24148

Females

10097

F18-39

10097

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

25088

Females

10679

F18-39

10679

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

24887

Females

10571

F18-39

10571

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

24704

Females

10520

F18-39

10520

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

24161

Females

10308

F18-39

10308

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

24007

Females

10270

F18-39

10270

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

24731

Females

10630

F18-39

10630

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

23383

Females

10014

F18-39

10014

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

22651

Females

9733

F18-39

9733

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

23443

Females

10137

F18-39

10137

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

21803

Females

9386

F18-39

9386

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

23575

Females

10205

F18-39

10205

Passing Analysis

Category:
Athletes Passed
893
Passed By
365
Net Change
+528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25183
5K → 10K20316+187#25183#24996
10K → 15K12724+103#24996#24893
15K → 20K17115+156#24893#24737
20K → Half839-31#24737#24768
Half → 25K32101-69#24768#24837
25K → 30K5771-14#24837#24851
30K → 20M5013+37#24851#24814
20M → 21M3926+13#24814#24801
21M → 35K1523-8#24801#24809
35K → 23M4624+22#24809#24787
23M → 24M505+45#24787#24742
24M → 40K363+33#24742#24709
40K → 25.2M240+24#24709#24685
25.2M → Finish355+30#24685#24655
TOTALS893365+528
📊

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