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BOSTON MARATHON 2023

Lily Stevenson

Bib: 26608•F

MA

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

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
10:20/mi
32:06
↑ 97↓ 3451.5%
10K· 6.21 mi
10:58/mi
1:06:09
↑ 79↓ 1380.4%
15K· 9.32 mi
11:57/mi
1:43:18
↑ 67↓ 78
20K· 12.43 mi
13:58/mi
2:26:43
↑ 106↓ 860.1%
Half· 13.11 mi
11:38/mi
2:34:39
↑ 19↓ 370.5%
25K· 15.53 mi
14:16/mi
3:09:15
↑ 66↓ 880.2%
30K· 18.64 mi
15:37/mi
3:57:46
↑ 181↓ 1480.2%
20M
17:31/mi
4:21:34
↑ 64↓ 500.2%
21M
22:24/mi
4:43:58
↑ 106↓ 241.6%
35K· 21.75 mi
16:35/mi
4:56:22
↑ 17↓ 861.7%
23M
16:35/mi
5:17:08
↑ 23↓ 630.6%
24M
13:53/mi
5:31:01
↓ 821.3%
40K· 24.85 mi
16:01/mi
5:44:43
↓ 200.3%
25.2M
15:45/mi
5:50:09
↑ 13↓ 160.2%
Finish· 26.22 mi
12:17/mi
6:02:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:39
Pace11:48 /mi
2nd Half
Distance13.11 mi
Time3:28:01
Pace15:52 /mi
📊Positive Split: 34.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5232:0610:2032:06
10:20
-
10K
6.21 mi12:22:551:06:0910:3934:03
10:58
+0:38
15K
9.32 mi13:00:041:43:1811:0537:09
11:57
+0:59
20K
12.43 mi13:43:292:26:4311:4843:25
13:58
+2:01
Half
13.11 mi13:51:252:34:3911:487:56
11:38
-2:20
25K
15.53 mi14:26:013:09:1512:1134:36
14:16
+2:38
30K
18.64 mi15:14:323:57:4612:4548:31
15:37
+1:21
20M
20.00 mi15:38:204:21:3413:0523:48
17:31
+1:54
21M
21.00 mi16:00:444:43:5813:3122:24
22:24
+4:53
35K
21.75 mi16:13:084:56:2213:3812:24
16:35
-5:49
23M
23.00 mi16:33:545:17:0813:4720:46
16:35
0:00
24M
24.00 mi16:47:475:31:0113:4813:53
13:53
-2:42
40K
24.85 mi17:01:295:44:4313:5213:42
16:01
+2:08
25.2M
25.20 mi17:06:555:50:0913:545:26
15:45
-0:16
Finish
26.22 mi17:19:266:02:4013:5112:31
12:17
-3:28

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

10:20 /mi

Average Pace

13:51 /mi

Slowest Pace

22:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:45

34% of race

Time at Steady Pace

2:25:51

40% of race

Time at Slower Pace

1:33:04

26% of race

Average Pace: 13:50 /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 mi11:48:5232:0610:2032:06
10:20
#24306
10K
6.21 mi12:22:551:06:0910:3934:03
10:58
#24996
15K
9.32 mi13:00:041:43:1811:0537:09
11:57
#25555
20K
12.43 mi13:43:292:26:4311:4843:25
13:58
#26037
Half
13.11 mi13:51:252:34:3911:487:56
11:38
#26020
25K
15.53 mi14:26:013:09:1512:1134:36
14:16
#26128
30K
18.64 mi15:14:323:57:4612:4548:31
15:37
#26281
20M
20.00 mi15:38:204:21:3413:0523:48
17:31
#26372
21M
21.00 mi16:00:444:43:5813:3122:24
22:24
#26511
35K
21.75 mi16:13:084:56:2213:3812:24
16:35
#26526
23M
23.00 mi16:33:545:17:0813:4720:46
16:35
#26559
24M
24.00 mi16:47:475:31:0113:4813:53
13:53
#26554
40K
24.85 mi17:01:295:44:4313:5213:42
16:01
#26564
25.2M
25.20 mi17:06:555:50:0913:545:26
15:45
#26566
Finish
26.22 mi17:19:266:02:4013:5112:31
12:17
#26551
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24306100461004626029(Top 98%)11057(Top 97%)11057(Top 226%)
10K6.21 mi3.10 mi24996-69010431-38510431-38525422(Top 95%)10681(Top 94%)10681(Top 219%)
15K9.32 mi3.11 mi25555-55910771-34010771-34026029(Top 98%)11057(Top 97%)11057(Top 226%)
20K12.43 mi3.11 mi26037-48211063-29211063-29226519(Top 100%)11367(Top 100%)11367(Top 233%)
Half13.11 mi0.68 mi26020+1711051+1211051+1225597(Top 96%)10845(Top 95%)10845(Top 222%)
25K15.53 mi2.42 mi26128-10811124-7311124-7326426(Top 99%)11322(Top 99%)11322(Top 232%)
30K18.64 mi3.11 mi26281-15311215-9111215-9126535(Top 100%)11378(Top 100%)11378(Top 233%)
20M20.00 mi1.36 mi26372-9111276-6111276-6126569(Top 100%)11400(Top 100%)11400(Top 233%)
21M21.00 mi1.00 mi26511-13911365-8911365-8926618(Top 100%)11420(Top 100%)11420(Top 234%)
35K21.75 mi0.75 mi26526-1511374-911374-926555(Top 100%)11396(Top 100%)11396(Top 233%)
23M23.00 mi1.25 mi26559-3311395-2111395-2126536(Top 100%)11389(Top 100%)11389(Top 233%)
24M24.00 mi1.00 mi26554+511390+511390+526025(Top 98%)11173(Top 98%)11173(Top 229%)
40K24.85 mi0.85 mi26564-1011395-511395-526417(Top 99%)11344(Top 99%)11344(Top 232%)
25.2M25.20 mi0.35 mi26566-211397-211397-226042(Top 98%)11185(Top 98%)11185(Top 229%)
Finish26.22 mi1.02 mi26551+1511389+811389+825508(Top 96%)10924(Top 96%)10924(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26029

Females

11057

F18-39

11057

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25422

Females

10681

F18-39

10681

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26029

Females

11057

F18-39

11057

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

26519

Females

11367

F18-39

11367

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25597

Females

10845

F18-39

10845

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26426

Females

11322

F18-39

11322

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

26535

Females

11378

F18-39

11378

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

26569

Females

11400

F18-39

11400

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

26618

Females

11420

F18-39

11420

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

26555

Females

11396

F18-39

11396

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

26536

Females

11389

F18-39

11389

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

26025

Females

11173

F18-39

11173

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26417

Females

11344

F18-39

11344

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26042

Females

11185

F18-39

11185

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25508

Females

10924

F18-39

10924

Passing Analysis

Category:
Athletes Passed
97
Passed By
2342
Net Change
-2245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24306
5K → 10K20710-690#24306#24996
10K → 15K5564-559#24996#25555
15K → 20K1483-482#25555#26037
20K → Half247+17#26037#26020
Half → 25K8116-108#26020#26128
25K → 30K7160-153#26128#26281
30K → 20M394-91#26281#26372
20M → 21M0139-139#26372#26511
21M → 35K318-15#26511#26526
35K → 23M033-33#26526#26559
23M → 24M72+5#26559#26554
24M → 40K212-10#26554#26564
40K → 25.2M13-2#26564#26566
25.2M → Finish161+15#26566#26551
TOTALS972342-2245
📊

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