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BOSTON MARATHON 2023

Allison Guarino

Bib: 26821•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

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
10:45/mi
33:23
↑ 97↓ 3451.5%
10K· 6.21 mi
11:11/mi
1:08:07
↑ 79↓ 1380.4%
15K· 9.32 mi
11:20/mi
1:43:20
↑ 67↓ 78
20K· 12.43 mi
11:49/mi
2:20:03
↑ 106↓ 860.1%
Half· 13.11 mi
11:26/mi
2:27:51
↑ 19↓ 370.5%
25K· 15.53 mi
11:55/mi
2:56:45
↑ 66↓ 880.2%
30K· 18.64 mi
12:35/mi
3:35:51
↑ 181↓ 1480.2%
20M
11:49/mi
3:51:54
↑ 64↓ 500.2%
21M
16:32/mi
4:08:26
↑ 106↓ 241.6%
35K· 21.75 mi
13:06/mi
4:18:14
↑ 17↓ 861.7%
23M
13:12/mi
4:34:46
↑ 23↓ 630.6%
24M
12:35/mi
4:47:21
↓ 821.3%
40K· 24.85 mi
13:27/mi
4:58:51
↓ 200.3%
25.2M
13:29/mi
5:03:30
↑ 13↓ 160.2%
Finish· 26.22 mi
12:03/mi
5:15:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:51
Pace11:17 /mi
2nd Half
Distance13.11 mi
Time2:47:56
Pace12:49 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3733:2310:4533:23
10:45
-
10K
6.21 mi12:33:211:08:0710:5834:44
11:11
+0:26
15K
9.32 mi13:08:341:43:2011:0535:13
11:20
+0:09
20K
12.43 mi13:45:172:20:0311:1636:43
11:49
+0:29
Half
13.11 mi13:53:052:27:5111:177:48
11:26
-0:23
25K
15.53 mi14:21:592:56:4511:2328:54
11:55
+0:29
30K
18.64 mi15:01:053:35:5111:3539:06
12:35
+0:40
20M
20.00 mi15:17:083:51:5411:3616:03
11:49
-0:46
21M
21.00 mi15:33:404:08:2611:5016:32
16:32
+4:43
35K
21.75 mi15:43:284:18:1411:529:48
13:06
-3:26
23M
23.00 mi16:00:004:34:4611:5716:32
13:12
+0:06
24M
24.00 mi16:12:354:47:2111:5812:35
12:35
-0:37
40K
24.85 mi16:24:054:58:5112:0111:30
13:27
+0:52
25.2M
25.20 mi16:28:445:03:3012:034:39
13:29
+0:02
Finish
26.22 mi16:41:015:15:4712:0312:17
12:03
-1:26

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

10:45 /mi

Average Pace

12:03 /mi

Slowest Pace

16:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:20

33% of race

Time at Steady Pace

2:33:26

49% of race

Time at Slower Pace

59:01

19% of race

Average Pace: 12:03 /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 mi11:58:3733:2310:4533:23
10:45
#25269
10K
6.21 mi12:33:211:08:0710:5834:44
11:11
#25533
15K
9.32 mi13:08:341:43:2011:0535:13
11:20
#25557
20K
12.43 mi13:45:172:20:0311:1636:43
11:49
#25553
Half
13.11 mi13:53:052:27:5111:177:48
11:26
#25557
25K
15.53 mi14:21:592:56:4511:2328:54
11:55
#25482
30K
18.64 mi15:01:053:35:5111:3539:06
12:35
#25414
20M
20.00 mi15:17:083:51:5411:3616:03
11:49
#25327
21M
21.00 mi15:33:404:08:2611:5016:32
16:32
#25444
35K
21.75 mi15:43:284:18:1411:529:48
13:06
#25456
23M
23.00 mi16:00:004:34:4611:5716:32
13:12
#25468
24M
24.00 mi16:12:354:47:2111:5812:35
12:35
#25461
40K
24.85 mi16:24:054:58:5112:0111:30
13:27
#25457
25.2M
25.20 mi16:28:445:03:3012:034:39
13:29
#25454
Finish
26.22 mi16:41:015:15:4712:0312:17
12:03
#25454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25269105941059425550(Top 96%)10780(Top 94%)10780(Top 221%)
10K6.21 mi3.10 mi25533-26410757-16310757-16325661(Top 96%)10829(Top 95%)10829(Top 222%)
15K9.32 mi3.11 mi25557-2410772-1510772-1525550(Top 96%)10780(Top 94%)10780(Top 221%)
20K12.43 mi3.11 mi25553+410783-1110783-1125544(Top 96%)10796(Top 95%)10796(Top 221%)
Half13.11 mi0.68 mi25557-410782+110782+125432(Top 96%)10746(Top 94%)10746(Top 220%)
25K15.53 mi2.42 mi25482+7510753+2910753+2925089(Top 94%)10565(Top 92%)10565(Top 216%)
30K18.64 mi3.11 mi25414+6810728+2510728+2525088(Top 94%)10619(Top 93%)10619(Top 217%)
20M20.00 mi1.36 mi25327+8710681+4710681+4723969(Top 90%)10067(Top 88%)10067(Top 206%)
21M21.00 mi1.00 mi25444-11710756-7510756-7526350(Top 99%)11294(Top 99%)11294(Top 231%)
35K21.75 mi0.75 mi25456-1210763-710763-725637(Top 96%)10966(Top 96%)10966(Top 225%)
23M23.00 mi1.25 mi25468-1210775-1210775-1225282(Top 95%)10783(Top 94%)10783(Top 221%)
24M24.00 mi1.00 mi25461+710774+110774+125148(Top 94%)10756(Top 94%)10756(Top 220%)
40K24.85 mi0.85 mi25457+410777-310777-325321(Top 95%)10828(Top 95%)10828(Top 222%)
25.2M25.20 mi0.35 mi25454+3107771077724524(Top 92%)10454(Top 92%)10454(Top 214%)
Finish26.22 mi1.02 mi2545410782-510782-525279(Top 95%)10809(Top 95%)10809(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25550

Females

10780

F18-39

10780

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25661

Females

10829

F18-39

10829

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25550

Females

10780

F18-39

10780

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

25544

Females

10796

F18-39

10796

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25432

Females

10746

F18-39

10746

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

25089

Females

10565

F18-39

10565

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

25088

Females

10619

F18-39

10619

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23969

Females

10067

F18-39

10067

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

26350

Females

11294

F18-39

11294

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

25637

Females

10966

F18-39

10966

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

25282

Females

10783

F18-39

10783

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

25148

Females

10756

F18-39

10756

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25321

Females

10828

F18-39

10828

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24524

Females

10454

F18-39

10454

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25279

Females

10809

F18-39

10809

Passing Analysis

Category:
Athletes Passed
654
Passed By
839
Net Change
-185
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25269
5K → 10K59323-264#25269#25533
10K → 15K89113-24#25533#25557
15K → 20K9288+4#25557#25553
20K → Half1620-4#25553#25557
Half → 25K10631+75#25557#25482
25K → 30K10941+68#25482#25414
30K → 20M903+87#25414#25327
20M → 21M2119-117#25327#25444
21M → 35K1426-12#25444#25456
35K → 23M1729-12#25456#25468
23M → 24M2215+7#25468#25461
24M → 40K1713+4#25461#25457
40K → 25.2M85+3#25457#25454
25.2M → Finish13130#25454#25454
TOTALS654839-185
📊

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