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BOSTON MARATHON 2023

Kay Stewart

Bib: 23877•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:20
Rank: #20941
Start → 5K
28:20 | 9:07/mi
10K· 6.21 mi
57:12
Rank: #21416 (-475)
5K → 10K
28:52 | 9:17/mi
15K· 9.32 mi
1:26:18
Rank: #21566 (-150)
10K → 15K
29:06 | 9:22/mi
20K· 12.43 mi
1:55:34
Rank: #21506 (+60)
15K → 20K
29:16 | 9:25/mi
Half· 13.11 mi
2:01:51
Rank: #21486 (+20)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:24:14
Rank: #21233 (+253)
Half → 25K
22:23 | 9:14/mi
30K· 18.64 mi
2:53:50
Rank: #20922 (+311)
25K → 30K
29:36 | 9:32/mi
20M
3:06:57
Rank: #20782 (+140)
30K → 20M
13:07 | 9:39/mi
21M
3:17:41
Rank: #20738 (+44)
20M → 21M
10:44 | 10:44/mi
35K· 21.75 mi
3:24:42
Rank: #20673 (+65)
21M → 35K
7:01 | 9:23/mi
23M
3:37:03
Rank: #20588 (+85)
35K → 23M
12:21 | 9:52/mi
24M
3:46:37
Rank: #20526 (+62)
23M → 24M
9:34 | 9:34/mi
40K· 24.85 mi
3:55:07
Rank: #20495 (+31)
24M → 40K
8:30 | 9:56/mi
25.2M
3:58:50
Rank: #20478 (+17)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:08:54
Rank: #20520 (-42)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:51
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:07:03
Pace9:42 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2628:209:0728:20
9:07
-
10K
6.21 mi11:53:1857:129:1228:52
9:17
+0:10
15K
9.32 mi12:22:241:26:189:1629:06
9:22
+0:05
20K
12.43 mi12:51:401:55:349:1829:16
9:25
+0:03
Half
13.11 mi12:57:572:01:519:186:17
9:13
-0:12
25K
15.53 mi13:20:202:24:149:1722:23
9:14
+0:01
30K
18.64 mi13:49:562:53:509:2029:36
9:32
+0:18
20M
20.00 mi14:03:033:06:579:2113:07
9:39
+0:07
21M
21.00 mi14:13:473:17:419:2510:44
10:44
+1:05
35K
21.75 mi14:20:483:24:429:257:01
9:23
-1:21
23M
23.00 mi14:33:093:37:039:2612:21
9:52
+0:29
24M
24.00 mi14:42:433:46:379:279:34
9:34
-0:18
40K
24.85 mi14:51:133:55:079:288:30
9:56
+0:22
25.2M
25.20 mi14:54:563:58:509:293:43
10:47
+0:51
Finish
26.22 mi15:05:004:08:549:3010:04
9:53
-0:54

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

9:07 /mi

Average Pace

9:30 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:54:27

94% of race

Time at Steady Pace

10:44

4% of race

Time at Slower Pace

3:43

1% of race

Average Pace: 9:30 /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 mi11:24:2628:209:0728:20
9:07
#20941
10K
6.21 mi11:53:1857:129:1228:52
9:17
#21416
15K
9.32 mi12:22:241:26:189:1629:06
9:22
#21566
20K
12.43 mi12:51:401:55:349:1829:16
9:25
#21506
Half
13.11 mi12:57:572:01:519:186:17
9:13
#21486
25K
15.53 mi13:20:202:24:149:1722:23
9:14
#21233
30K
18.64 mi13:49:562:53:509:2029:36
9:32
#20922
20M
20.00 mi14:03:033:06:579:2113:07
9:39
#20782
21M
21.00 mi14:13:473:17:419:2510:44
10:44
#20738
35K
21.75 mi14:20:483:24:429:257:01
9:23
#20673
23M
23.00 mi14:33:093:37:039:2612:21
9:52
#20588
24M
24.00 mi14:42:433:46:379:279:34
9:34
#20526
40K
24.85 mi14:51:133:55:079:288:30
9:56
#20495
25.2M
25.20 mi14:54:563:58:509:293:43
10:47
#20478
Finish
26.22 mi15:05:004:08:549:3010:04
9:53
#20520
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi209418339833921862(Top 82%)8712(Top 76%)8712(Top 1653%)
10K6.21 mi3.10 mi21416-4758541-2028541-20221906(Top 82%)8771(Top 77%)8771(Top 1664%)
15K9.32 mi3.11 mi21566-1508596-558596-5521862(Top 82%)8712(Top 76%)8712(Top 1653%)
20K12.43 mi3.11 mi21506+608554+428554+4221304(Top 80%)8405(Top 74%)8405(Top 1595%)
Half13.11 mi0.68 mi21486+208537+178537+1721215(Top 80%)8363(Top 73%)8363(Top 1587%)
25K15.53 mi2.42 mi21233+2538399+1388399+13819969(Top 75%)7672(Top 67%)7672(Top 1456%)
30K18.64 mi3.11 mi20922+3118232+1678232+16719539(Top 73%)7499(Top 66%)7499(Top 1423%)
20M20.00 mi1.36 mi20782+1408164+688164+6819417(Top 73%)7530(Top 66%)7530(Top 1429%)
21M21.00 mi1.00 mi20738+448154+108154+1020230(Top 76%)8051(Top 70%)8051(Top 1528%)
35K21.75 mi0.75 mi20673+658127+278127+2719485(Top 73%)7658(Top 67%)7658(Top 1453%)
23M23.00 mi1.25 mi20588+858097+308097+3019613(Top 74%)7748(Top 68%)7748(Top 1470%)
24M24.00 mi1.00 mi20526+628076+218076+2119460(Top 73%)7699(Top 67%)7699(Top 1461%)
40K24.85 mi0.85 mi20495+318068+88068+819829(Top 74%)7964(Top 70%)7964(Top 1511%)
25.2M25.20 mi0.35 mi20478+178063+58063+519946(Top 75%)8035(Top 70%)8035(Top 1525%)
Finish26.22 mi1.02 mi20520-428099-368099-3621416(Top 80%)8791(Top 77%)8791(Top 1668%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21862

Females

8712

F60-64

8712

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21906

Females

8771

F60-64

8771

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21862

Females

8712

F60-64

8712

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21304

Females

8405

F60-64

8405

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21215

Females

8363

F60-64

8363

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19969

Females

7672

F60-64

7672

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19539

Females

7499

F60-64

7499

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19417

Females

7530

F60-64

7530

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20230

Females

8051

F60-64

8051

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19485

Females

7658

F60-64

7658

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19613

Females

7748

F60-64

7748

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19460

Females

7699

F60-64

7699

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19829

Females

7964

F60-64

7964

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19946

Females

8035

F60-64

8035

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21416

Females

8791

F60-64

8791

Passing Analysis

Category:
Athletes Passed
1635
Passed By
1214
Net Change
+421
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20941
5K → 10K110585-475#20941#21416
10K → 15K103253-150#21416#21566
15K → 20K15999+60#21566#21506
20K → Half4020+20#21506#21486
Half → 25K26310+253#21486#21233
25K → 30K32918+311#21233#20922
30K → 20M15818+140#20922#20782
20M → 21M8844+44#20782#20738
21M → 35K738+65#20738#20673
35K → 23M10823+85#20673#20588
23M → 24M7715+62#20588#20526
24M → 40K6029+31#20526#20495
40K → 25.2M3518+17#20495#20478
25.2M → Finish3274-42#20478#20520
TOTALS16351214+421
📊

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