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BOSTON MARATHON 2023

Isabelle Dion

Bib: 22299•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #17892
Start → 5K
26:33 | 8:33/mi
10K· 6.21 mi
53:13
Rank: #18296 (-404)
5K → 10K
26:40 | 8:35/mi
15K· 9.32 mi
1:19:59
Rank: #18378 (-82)
10K → 15K
26:46 | 8:37/mi
20K· 12.43 mi
1:46:52
Rank: #18205 (+173)
15K → 20K
26:53 | 8:39/mi
Half· 13.11 mi
1:52:46
Rank: #18219 (-14)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:13:56
Rank: #18083 (+136)
Half → 25K
21:10 | 8:44/mi
30K· 18.64 mi
2:42:09
Rank: #17968 (+115)
25K → 30K
28:13 | 9:05/mi
20M
2:54:29
Rank: #17871 (+97)
30K → 20M
12:20 | 9:05/mi
21M
3:04:26
Rank: #17882 (-11)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:11:05
Rank: #17866 (+16)
21M → 35K
6:39 | 8:53/mi
23M
3:22:48
Rank: #17882 (-16)
35K → 23M
11:43 | 9:21/mi
24M
3:32:02
Rank: #17913 (-31)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:40:03
Rank: #17912 (+1)
24M → 40K
8:01 | 9:23/mi
25.2M
3:43:45
Rank: #17963 (-51)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:53:30
Rank: #18094 (-131)
25.2M → Finish
9:45 | 9:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:46
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:00:44
Pace9:13 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4726:338:3326:33
8:33
-
10K
6.21 mi11:47:2753:138:3426:40
8:35
+0:02
15K
9.32 mi12:14:131:19:598:3526:46
8:37
+0:02
20K
12.43 mi12:41:061:46:528:3626:53
8:39
+0:02
Half
13.11 mi12:47:001:52:468:365:54
8:39
0:00
25K
15.53 mi13:08:102:13:568:3721:10
8:44
+0:05
30K
18.64 mi13:36:232:42:098:4228:13
9:05
+0:21
20M
20.00 mi13:48:432:54:298:4312:20
9:05
0:00
21M
21.00 mi13:58:403:04:268:479:57
9:57
+0:52
35K
21.75 mi14:05:193:11:058:476:39
8:53
-1:04
23M
23.00 mi14:17:023:22:488:4911:43
9:21
+0:28
24M
24.00 mi14:26:163:32:028:509:14
9:14
-0:07
40K
24.85 mi14:34:173:40:038:518:01
9:23
+0:09
25.2M
25.20 mi14:37:593:43:458:533:42
10:44
+1:21
Finish
26.22 mi14:47:443:53:308:559:45
9:34
-1:10

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

8:33 /mi

Average Pace

8:55 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:56

57% of race

Time at Steady Pace

1:08:09

29% of race

Time at Slower Pace

31:25

13% of race

Average Pace: 8:54 /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 mi11:20:4726:338:3326:33
8:33
#17892
10K
6.21 mi11:47:2753:138:3426:40
8:35
#18296
15K
9.32 mi12:14:131:19:598:3526:46
8:37
#18378
20K
12.43 mi12:41:061:46:528:3626:53
8:39
#18205
Half
13.11 mi12:47:001:52:468:365:54
8:39
#18219
25K
15.53 mi13:08:102:13:568:3721:10
8:44
#18083
30K
18.64 mi13:36:232:42:098:4228:13
9:05
#17968
20M
20.00 mi13:48:432:54:298:4312:20
9:05
#17871
21M
21.00 mi13:58:403:04:268:479:57
9:57
#17882
35K
21.75 mi14:05:193:11:058:476:39
8:53
#17866
23M
23.00 mi14:17:023:22:488:4911:43
9:21
#17882
24M
24.00 mi14:26:163:32:028:509:14
9:14
#17913
40K
24.85 mi14:34:173:40:038:518:01
9:23
#17912
25.2M
25.20 mi14:37:593:43:458:533:42
10:44
#17963
Finish
26.22 mi14:47:443:53:308:559:45
9:34
#18094
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi178926483648318550(Top 70%)6833(Top 60%)6833(Top 376%)
10K6.21 mi3.10 mi18296-4046694-2116694-21118776(Top 71%)6946(Top 61%)6946(Top 382%)
15K9.32 mi3.11 mi18378-826735-416735-4118550(Top 70%)6833(Top 60%)6833(Top 376%)
20K12.43 mi3.11 mi18205+1736634+1016634+10117835(Top 67%)6418(Top 56%)6418(Top 353%)
Half13.11 mi0.68 mi18219-146646-126646-1218651(Top 70%)6865(Top 60%)6865(Top 378%)
25K15.53 mi2.42 mi18083+1366581+656581+6517557(Top 66%)6317(Top 55%)6317(Top 348%)
30K18.64 mi3.11 mi17968+1156547+346547+3417616(Top 66%)6426(Top 56%)6426(Top 354%)
20M20.00 mi1.36 mi17871+976506+416506+4116957(Top 64%)6137(Top 54%)6137(Top 338%)
21M21.00 mi1.00 mi17882-116522-166522-1617877(Top 67%)6685(Top 59%)6685(Top 368%)
35K21.75 mi0.75 mi17866+166522652217420(Top 65%)6513(Top 57%)6513(Top 358%)
23M23.00 mi1.25 mi17882-166545-236545-2317770(Top 67%)6731(Top 59%)6731(Top 370%)
24M24.00 mi1.00 mi17913-316573-286573-2818197(Top 68%)7004(Top 61%)7004(Top 385%)
40K24.85 mi0.85 mi17912+16583-106583-1017869(Top 67%)6877(Top 60%)6877(Top 378%)
25.2M25.20 mi0.35 mi17963-516618-356618-3519803(Top 74%)7944(Top 70%)7944(Top 437%)
Finish26.22 mi1.02 mi18094-1316708-906708-9020360(Top 76%)8217(Top 72%)8217(Top 452%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18550

Females

6833

F45-49

6833

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18776

Females

6946

F45-49

6946

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18550

Females

6833

F45-49

6833

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17835

Females

6418

F45-49

6418

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18651

Females

6865

F45-49

6865

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17557

Females

6317

F45-49

6317

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17616

Females

6426

F45-49

6426

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16957

Females

6137

F45-49

6137

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17877

Females

6685

F45-49

6685

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17420

Females

6513

F45-49

6513

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17770

Females

6731

F45-49

6731

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18197

Females

7004

F45-49

7004

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17869

Females

6877

F45-49

6877

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19803

Females

7944

F45-49

7944

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20360

Females

8217

F45-49

8217

Passing Analysis

Category:
Athletes Passed
1507
Passed By
1709
Net Change
-202
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17892
5K → 10K154558-404#17892#18296
10K → 15K153235-82#18296#18378
15K → 20K24976+173#18378#18205
20K → Half2337-14#18205#18219
Half → 25K20165+136#18219#18083
25K → 30K247132+115#18083#17968
30K → 20M13740+97#17968#17871
20M → 21M7687-11#17871#17882
21M → 35K5741+16#17882#17866
35K → 23M8096-16#17866#17882
23M → 24M4576-31#17882#17913
24M → 40K5251+1#17913#17912
40K → 25.2M1263-51#17912#17963
25.2M → Finish21152-131#17963#18094
TOTALS15071709-202
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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