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BOSTON MARATHON 2023

Alexandra Snyder

Bib: 25924•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

Start
0:00:00
Race begins
5K· 3.11 mi
30:52
Rank: #23298
Start → 5K
30:52 | 9:56/mi
10K· 6.21 mi
1:01:46
Rank: #23494 (-196)
5K → 10K
30:54 | 9:57/mi
15K· 9.32 mi
1:32:15
Rank: #23363 (+131)
10K → 15K
30:29 | 9:49/mi
20K· 12.43 mi
2:03:17
Rank: #23253 (+110)
15K → 20K
31:02 | 9:59/mi
Half· 13.11 mi
2:10:01
Rank: #23238 (+15)
20K → Half
6:44 | 9:52/mi
25K· 15.53 mi
2:35:21
Rank: #23206 (+32)
Half → 25K
25:20 | 10:27/mi
30K· 18.64 mi
3:09:28
Rank: #23179 (+27)
25K → 30K
34:07 | 10:59/mi
20M
3:24:13
Rank: #23112 (+67)
30K → 20M
14:45 | 10:51/mi
21M
3:36:06
Rank: #23074 (+38)
20M → 21M
11:53 | 11:53/mi
35K· 21.75 mi
3:44:19
Rank: #23091 (-17)
21M → 35K
8:13 | 10:59/mi
23M
3:58:25
Rank: #23060 (+31)
35K → 23M
14:06 | 11:16/mi
24M
4:09:24
Rank: #23057 (+3)
23M → 24M
10:59 | 10:59/mi
40K· 24.85 mi
4:18:45
Rank: #23003 (+54)
24M → 40K
9:21 | 10:56/mi
25.2M
4:23:04
Rank: #23031 (-28)
40K → 25.2M
4:19 | 12:31/mi
Finish· 26.22 mi
4:33:14
Rank: #22982 (+49)
25.2M → Finish
10:10 | 9:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:01
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:23:13
Pace10:56 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4630:529:5630:52
9:56
-
10K
6.21 mi12:23:401:01:469:5630:54
9:57
+0:01
15K
9.32 mi12:54:091:32:159:5430:29
9:49
-0:08
20K
12.43 mi13:25:112:03:179:5531:02
9:59
+0:10
Half
13.11 mi13:31:552:10:019:556:44
9:52
-0:07
25K
15.53 mi13:57:152:35:2110:0025:20
10:27
+0:35
30K
18.64 mi14:31:223:09:2810:1034:07
10:59
+0:32
20M
20.00 mi14:46:073:24:1310:1314:45
10:51
-0:08
21M
21.00 mi14:58:003:36:0610:1711:53
11:53
+1:02
35K
21.75 mi15:06:133:44:1910:198:13
10:59
-0:54
23M
23.00 mi15:20:193:58:2510:2214:06
11:16
+0:17
24M
24.00 mi15:31:184:09:2410:2410:59
10:59
-0:17
40K
24.85 mi15:40:394:18:4510:259:21
10:56
-0:03
25.2M
25.20 mi15:44:584:23:0410:264:19
12:31
+1:35
Finish
26.22 mi15:55:084:33:1410:2610:10
9:59
-2:32

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

9:49 /mi

Average Pace

10:26 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:31

61% of race

Time at Steady Pace

1:17:25

28% of race

Time at Slower Pace

30:18

11% of race

Average Pace: 10:25 /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 mi11:52:4630:529:5630:52
9:56
#23298
10K
6.21 mi12:23:401:01:469:5630:54
9:57
#23494
15K
9.32 mi12:54:091:32:159:5430:29
9:49
#23363
20K
12.43 mi13:25:112:03:179:5531:02
9:59
#23253
Half
13.11 mi13:31:552:10:019:556:44
9:52
#23238
25K
15.53 mi13:57:152:35:2110:0025:20
10:27
#23206
30K
18.64 mi14:31:223:09:2810:1034:07
10:59
#23179
20M
20.00 mi14:46:073:24:1310:1314:45
10:51
#23112
21M
21.00 mi14:58:003:36:0610:1711:53
11:53
#23074
35K
21.75 mi15:06:133:44:1910:198:13
10:59
#23091
23M
23.00 mi15:20:193:58:2510:2214:06
11:16
#23060
24M
24.00 mi15:31:184:09:2410:2410:59
10:59
#23057
40K
24.85 mi15:40:394:18:4510:259:21
10:56
#23003
25.2M
25.20 mi15:44:584:23:0410:264:19
12:31
#23031
Finish
26.22 mi15:55:084:33:1410:2610:10
9:59
#22982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi232989549954923080(Top 87%)9388(Top 82%)9388(Top 192%)
10K6.21 mi3.10 mi23494-1969621-729621-7223606(Top 89%)9682(Top 85%)9682(Top 198%)
15K9.32 mi3.11 mi23363+1319540+819540+8123080(Top 87%)9388(Top 82%)9388(Top 192%)
20K12.43 mi3.11 mi23253+1109484+569484+5622890(Top 86%)9299(Top 81%)9299(Top 190%)
Half13.11 mi0.68 mi23238+159480+49480+423042(Top 87%)9375(Top 82%)9375(Top 192%)
25K15.53 mi2.42 mi23206+329461+199461+1923094(Top 87%)9440(Top 83%)9440(Top 193%)
30K18.64 mi3.11 mi23179+279476-159476-1523070(Top 87%)9491(Top 83%)9491(Top 194%)
20M20.00 mi1.36 mi23112+679457+199457+1922440(Top 84%)9221(Top 81%)9221(Top 189%)
21M21.00 mi1.00 mi23074+389442+159442+1522571(Top 85%)9321(Top 82%)9321(Top 191%)
35K21.75 mi0.75 mi23091-179465-239465-2323294(Top 87%)9757(Top 85%)9757(Top 200%)
23M23.00 mi1.25 mi23060+319457+89457+822840(Top 86%)9507(Top 83%)9507(Top 195%)
24M24.00 mi1.00 mi23057+39468-119468-1123030(Top 87%)9650(Top 84%)9650(Top 198%)
40K24.85 mi0.85 mi23003+549445+239445+2322230(Top 84%)9256(Top 81%)9256(Top 190%)
25.2M25.20 mi0.35 mi23031-289456-119456-1123325(Top 88%)9838(Top 86%)9838(Top 201%)
Finish26.22 mi1.02 mi22982+499440+169440+1621711(Top 82%)8966(Top 78%)8966(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23080

Females

9388

F18-39

9388

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23606

Females

9682

F18-39

9682

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23080

Females

9388

F18-39

9388

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22890

Females

9299

F18-39

9299

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23042

Females

9375

F18-39

9375

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23094

Females

9440

F18-39

9440

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23070

Females

9491

F18-39

9491

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22440

Females

9221

F18-39

9221

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22571

Females

9321

F18-39

9321

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23294

Females

9757

F18-39

9757

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22840

Females

9507

F18-39

9507

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23030

Females

9650

F18-39

9650

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22230

Females

9256

F18-39

9256

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23325

Females

9838

F18-39

9838

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21711

Females

8966

F18-39

8966

Passing Analysis

Category:
Athletes Passed
1208
Passed By
892
Net Change
+316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23298
5K → 10K133329-196#23298#23494
10K → 15K20170+131#23494#23363
15K → 20K17161+110#23363#23253
20K → Half3621+15#23253#23238
Half → 25K11785+32#23238#23206
25K → 30K135108+27#23206#23179
30K → 20M8821+67#23179#23112
20M → 21M6830+38#23112#23074
21M → 35K2138-17#23074#23091
35K → 23M6736+31#23091#23060
23M → 24M3633+3#23060#23057
24M → 40K639+54#23057#23003
40K → 25.2M634-28#23003#23031
25.2M → Finish6617+49#23031#22982
TOTALS1208892+316
📊

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