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BOSTON MARATHON 2023

Emma Glendinning

Bib: 18277•F

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
26:10
Rank: #17050
Start → 5K
26:10 | 8:25/mi
10K· 6.21 mi
51:38
Rank: #16585 (+465)
5K → 10K
25:28 | 8:12/mi
15K· 9.32 mi
1:19:35
Rank: #18099 (-1514)
10K → 15K
27:57 | 9:00/mi
20K· 12.43 mi
1:47:42
Rank: #18616 (-517)
15K → 20K
28:07 | 9:03/mi
Half· 13.11 mi
1:53:25
Rank: #18527 (+89)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:14:11
Rank: #18190 (+337)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:41:41
Rank: #17802 (+388)
25K → 30K
27:30 | 8:51/mi
20M
2:53:55
Rank: #17705 (+97)
30K → 20M
12:14 | 9:00/mi
21M
3:03:23
Rank: #17586 (+119)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
3:10:06
Rank: #17589 (-3)
21M → 35K
6:43 | 8:59/mi
23M
3:21:31
Rank: #17521 (+68)
35K → 23M
11:25 | 9:07/mi
24M
3:30:24
Rank: #17504 (+17)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:38:02
Rank: #17438 (+66)
24M → 40K
7:38 | 8:56/mi
25.2M
3:41:19
Rank: #17408 (+30)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:50:02
Rank: #17350 (+58)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:25
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:56:37
Pace8:54 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0926:108:2526:10
8:25
-
10K
6.21 mi11:47:3751:388:1925:28
8:12
-0:13
15K
9.32 mi12:15:341:19:358:3227:57
9:00
+0:48
20K
12.43 mi12:43:411:47:428:4028:07
9:03
+0:03
Half
13.11 mi12:49:241:53:258:395:43
8:23
-0:40
25K
15.53 mi13:10:102:14:118:3820:46
8:34
+0:11
30K
18.64 mi13:37:402:41:418:4027:30
8:51
+0:17
20M
20.00 mi13:49:542:53:558:4212:14
9:00
+0:09
21M
21.00 mi13:59:223:03:238:449:28
9:28
+0:28
35K
21.75 mi14:06:053:10:068:446:43
8:59
-0:29
23M
23.00 mi14:17:303:21:318:4611:25
9:07
+0:08
24M
24.00 mi14:26:233:30:248:468:53
8:53
-0:14
40K
24.85 mi14:34:013:38:028:467:38
8:56
+0:03
25.2M
25.20 mi14:37:183:41:198:473:17
9:31
+0:35
Finish
26.22 mi14:46:013:50:028:478:43
8:33
-0:58

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

8:12 /mi

Average Pace

8:47 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:45

77% of race

Time at Steady Pace

52:17

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:46 /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 mi11:22:0926:108:2526:10
8:25
#17050
10K
6.21 mi11:47:3751:388:1925:28
8:12
#16585
15K
9.32 mi12:15:341:19:358:3227:57
9:00
#18099
20K
12.43 mi12:43:411:47:428:4028:07
9:03
#18616
Half
13.11 mi12:49:241:53:258:395:43
8:23
#18527
25K
15.53 mi13:10:102:14:118:3820:46
8:34
#18190
30K
18.64 mi13:37:402:41:418:4027:30
8:51
#17802
20M
20.00 mi13:49:542:53:558:4212:14
9:00
#17705
21M
21.00 mi13:59:223:03:238:449:28
9:28
#17586
35K
21.75 mi14:06:053:10:068:446:43
8:59
#17589
23M
23.00 mi14:17:303:21:318:4611:25
9:07
#17521
24M
24.00 mi14:26:233:30:248:468:53
8:53
#17504
40K
24.85 mi14:34:013:38:028:467:38
8:56
#17438
25.2M
25.20 mi14:37:183:41:198:473:17
9:31
#17408
Finish
26.22 mi14:46:013:50:028:478:43
8:33
#17350
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi170505964596420491(Top 77%)7948(Top 70%)7948(Top 163%)
10K6.21 mi3.10 mi16585+4655632+3325632+33216240(Top 61%)5425(Top 47%)5425(Top 111%)
15K9.32 mi3.11 mi18099-15146584-9526584-95220491(Top 77%)7948(Top 70%)7948(Top 163%)
20K12.43 mi3.11 mi18616-5176878-2946878-29419931(Top 75%)7635(Top 67%)7635(Top 156%)
Half13.11 mi0.68 mi18527+896819+596819+5917062(Top 64%)5941(Top 52%)5941(Top 122%)
25K15.53 mi2.42 mi18190+3376646+1736646+17316610(Top 62%)5784(Top 51%)5784(Top 118%)
30K18.64 mi3.11 mi17802+3886439+2076439+20716404(Top 62%)5733(Top 50%)5733(Top 117%)
20M20.00 mi1.36 mi17705+976401+386401+3816573(Top 62%)5910(Top 52%)5910(Top 121%)
21M21.00 mi1.00 mi17586+1196349+526349+5215835(Top 59%)5538(Top 48%)5538(Top 113%)
35K21.75 mi0.75 mi17589-36362-136362-1317831(Top 67%)6733(Top 59%)6733(Top 138%)
23M23.00 mi1.25 mi17521+686333+296333+2916646(Top 63%)6109(Top 53%)6109(Top 125%)
24M24.00 mi1.00 mi17504+176332+16332+116706(Top 63%)6200(Top 54%)6200(Top 127%)
40K24.85 mi0.85 mi17438+666306+266306+2615802(Top 59%)5746(Top 50%)5746(Top 118%)
25.2M25.20 mi0.35 mi17408+306294+126294+1215362(Top 58%)5523(Top 48%)5523(Top 113%)
Finish26.22 mi1.02 mi17350+586275+196275+1915765(Top 59%)5685(Top 50%)5685(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20491

Females

7948

F18-39

7948

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16240

Females

5425

F18-39

5425

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20491

Females

7948

F18-39

7948

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19931

Females

7635

F18-39

7635

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

17062

Females

5941

F18-39

5941

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16610

Females

5784

F18-39

5784

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16404

Females

5733

F18-39

5733

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16573

Females

5910

F18-39

5910

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15835

Females

5538

F18-39

5538

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17831

Females

6733

F18-39

6733

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16646

Females

6109

F18-39

6109

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16706

Females

6200

F18-39

6200

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15802

Females

5746

F18-39

5746

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15362

Females

5523

F18-39

5523

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15765

Females

5685

F18-39

5685

Passing Analysis

Category:
Athletes Passed
2271
Passed By
2571
Net Change
-300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17050
5K → 10K593128+465#17050#16585
10K → 15K161530-1514#16585#18099
15K → 20K55572-517#18099#18616
20K → Half923+89#18616#18527
Half → 25K34811+337#18527#18190
25K → 30K42133+388#18190#17802
30K → 20M13841+97#17802#17705
20M → 21M15435+119#17705#17586
21M → 35K4447-3#17586#17589
35K → 23M11749+68#17589#17521
23M → 24M7154+17#17521#17504
24M → 40K8923+66#17504#17438
40K → 25.2M4919+30#17438#17408
25.2M → Finish8426+58#17408#17350
TOTALS22712571-300
📊

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