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BOSTON MARATHON 2023

Michelle Xia

Bib: 29296•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:36
Rank: #23058
Start → 5K
30:36 | 9:51/mi
10K· 6.21 mi
1:02:52
Rank: #23888 (-830)
5K → 10K
32:16 | 10:23/mi
15K· 9.32 mi
1:35:44
Rank: #24158 (-270)
10K → 15K
32:52 | 10:35/mi
20K· 12.43 mi
2:11:10
Rank: #24513 (-355)
15K → 20K
35:26 | 11:24/mi
Half· 13.11 mi
2:18:49
Rank: #24565 (-52)
20K → Half
7:39 | 11:13/mi
25K· 15.53 mi
2:50:40
Rank: #24999 (-434)
Half → 25K
31:51 | 13:08/mi
30K· 18.64 mi
3:32:37
Rank: #25232 (-233)
25K → 30K
41:57 | 13:30/mi
20M
3:51:59
Rank: #25331 (-99)
30K → 20M
19:22 | 14:15/mi
21M
4:07:20
Rank: #25390 (-59)
20M → 21M
15:21 | 15:21/mi
35K· 21.75 mi
4:16:58
Rank: #25406 (-16)
21M → 35K
9:38 | 12:53/mi
23M
4:36:45
Rank: #25533 (-127)
35K → 23M
19:47 | 15:48/mi
24M
4:49:18
Rank: #25529 (+4)
23M → 24M
12:33 | 12:33/mi
40K· 24.85 mi
5:00:52
Rank: #25529
24M → 40K
11:34 | 13:32/mi
25.2M
5:05:44
Rank: #25523 (+6)
40K → 25.2M
4:52 | 14:07/mi
Finish· 26.22 mi
5:18:11
Rank: #25526 (-3)
25.2M → Finish
12:27 | 12:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:49
Pace10:35 /mi
2nd Half
Distance13.11 mi
Time2:59:22
Pace13:41 /mi
📊Positive Split: 29.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5530:369:5130:36
9:51
-
10K
6.21 mi12:26:111:02:5210:0732:16
10:23
+0:32
15K
9.32 mi12:59:031:35:4410:1632:52
10:35
+0:12
20K
12.43 mi13:34:292:11:1010:3335:26
11:24
+0:49
Half
13.11 mi13:42:082:18:4910:357:39
11:13
-0:11
25K
15.53 mi14:13:592:50:4010:5931:51
13:08
+1:55
30K
18.64 mi14:55:563:32:3711:2441:57
13:30
+0:22
20M
20.00 mi15:15:183:51:5911:3619:22
14:15
+0:45
21M
21.00 mi15:30:394:07:2011:4715:21
15:21
+1:06
35K
21.75 mi15:40:174:16:5811:499:38
12:53
-2:28
23M
23.00 mi16:00:044:36:4512:0219:47
15:48
+2:55
24M
24.00 mi16:12:374:49:1812:0312:33
12:33
-3:15
40K
24.85 mi16:24:115:00:5212:0611:34
13:32
+0:59
25.2M
25.20 mi16:29:035:05:4412:084:52
14:07
+0:35
Finish
26.22 mi16:41:305:18:1112:0912:27
12:13
-1:54

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

9:51 /mi

Average Pace

12:09 /mi

Slowest Pace

15:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:49

44% of race

Time at Steady Pace

2:00:00

38% of race

Time at Slower Pace

59:22

19% of race

Average Pace: 12:08 /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 mi11:53:5530:369:5130:36
9:51
#23058
10K
6.21 mi12:26:111:02:5210:0732:16
10:23
#23888
15K
9.32 mi12:59:031:35:4410:1632:52
10:35
#24158
20K
12.43 mi13:34:292:11:1010:3335:26
11:24
#24513
Half
13.11 mi13:42:082:18:4910:357:39
11:13
#24565
25K
15.53 mi14:13:592:50:4010:5931:51
13:08
#24999
30K
18.64 mi14:55:563:32:3711:2441:57
13:30
#25232
20M
20.00 mi15:15:183:51:5911:3619:22
14:15
#25331
21M
21.00 mi15:30:394:07:2011:4715:21
15:21
#25390
35K
21.75 mi15:40:174:16:5811:499:38
12:53
#25406
23M
23.00 mi16:00:044:36:4512:0219:47
15:48
#25533
24M
24.00 mi16:12:374:49:1812:0312:33
12:33
#25529
40K
24.85 mi16:24:115:00:5212:0611:34
13:32
#25529
25.2M
25.20 mi16:29:035:05:4412:084:52
14:07
#25523
Finish
26.22 mi16:41:305:18:1112:0912:27
12:13
#25526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi230589426942624595(Top 92%)10233(Top 90%)10233(Top 210%)
10K6.21 mi3.10 mi23888-8309835-4099835-40924471(Top 92%)10152(Top 89%)10152(Top 208%)
15K9.32 mi3.11 mi24158-2709977-1429977-14224595(Top 92%)10233(Top 90%)10233(Top 210%)
20K12.43 mi3.11 mi24513-35510183-20610183-20625139(Top 94%)10567(Top 93%)10567(Top 216%)
Half13.11 mi0.68 mi24565-5210214-3110214-3125229(Top 95%)10635(Top 93%)10635(Top 218%)
25K15.53 mi2.42 mi24999-43410465-25110465-25125943(Top 97%)11048(Top 97%)11048(Top 226%)
30K18.64 mi3.11 mi25232-23310617-15210617-15225747(Top 97%)10972(Top 96%)10972(Top 225%)
20M20.00 mi1.36 mi25331-9910682-6510682-6525978(Top 98%)11114(Top 97%)11114(Top 228%)
21M21.00 mi1.00 mi25390-5910727-4510727-4525927(Top 97%)11068(Top 97%)11068(Top 227%)
35K21.75 mi0.75 mi25406-1610739-1210739-1225469(Top 96%)10894(Top 95%)10894(Top 223%)
23M23.00 mi1.25 mi25533-12710810-7110810-7126456(Top 99%)11352(Top 99%)11352(Top 232%)
24M24.00 mi1.00 mi25529+410811-110811-125108(Top 94%)10737(Top 94%)10737(Top 220%)
40K24.85 mi0.85 mi2552910820-910820-925376(Top 95%)10858(Top 95%)10858(Top 222%)
25.2M25.20 mi0.35 mi25523+6108201082025099(Top 94%)10750(Top 94%)10750(Top 220%)
Finish26.22 mi1.02 mi25526-310825-510825-525440(Top 96%)10889(Top 95%)10889(Top 223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24595

Females

10233

F18-39

10233

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24471

Females

10152

F18-39

10152

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24595

Females

10233

F18-39

10233

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

25139

Females

10567

F18-39

10567

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

25229

Females

10635

F18-39

10635

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

25943

Females

11048

F18-39

11048

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25747

Females

10972

F18-39

10972

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

25978

Females

11114

F18-39

11114

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25927

Females

11068

F18-39

11068

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25469

Females

10894

F18-39

10894

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

26456

Females

11352

F18-39

11352

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

25108

Females

10737

F18-39

10737

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25376

Females

10858

F18-39

10858

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25099

Females

10750

F18-39

10750

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

25440

Females

10889

F18-39

10889

Passing Analysis

Category:
Athletes Passed
233
Passed By
2701
Net Change
-2468
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23058
5K → 10K23853-830#23058#23888
10K → 15K39309-270#23888#24158
15K → 20K24379-355#24158#24513
20K → Half1466-52#24513#24565
Half → 25K9443-434#24565#24999
25K → 30K20253-233#24999#25232
30K → 20M12111-99#25232#25331
20M → 21M1069-59#25331#25390
21M → 35K1531-16#25390#25406
35K → 23M2129-127#25406#25533
23M → 24M2016+4#25533#25529
24M → 40K22220#25529#25529
40K → 25.2M148+6#25529#25523
25.2M → Finish912-3#25523#25526
TOTALS2332701-2468
📊

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