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BOSTON MARATHON 2023

Glenna Toomey

Bib: 10377•F

ID

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 23%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 11%
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
7:05/mi
22:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:53/mi
43:23
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:04:57
↑ 67↓ 78
20K· 12.43 mi
7:03/mi
1:26:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:31:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:15/mi
1:49:13
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:12:30
↑ 181↓ 1480.2%
20M
7:31/mi
2:22:43
↑ 64↓ 500.2%
21M
8:00/mi
2:30:43
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:36:09
↑ 17↓ 861.7%
23M
7:33/mi
2:45:36
↑ 23↓ 630.6%
24M
7:15/mi
2:52:51
↓ 821.3%
40K· 24.85 mi
7:22/mi
2:59:09
↓ 200.3%
25.2M
7:58/mi
3:01:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:12/mi
3:09:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:38
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:37:36
Pace7:27 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1822:007:0522:00
7:05
-
10K
6.21 mi11:09:4143:236:5921:23
6:53
-0:12
15K
9.32 mi11:31:151:04:576:5821:34
6:56
+0:03
20K
12.43 mi11:53:091:26:516:5921:54
7:03
+0:07
Half
13.11 mi11:57:561:31:386:594:47
7:01
-0:02
25K
15.53 mi12:15:311:49:137:0217:35
7:15
+0:14
30K
18.64 mi12:38:482:12:307:0623:17
7:30
+0:15
20M
20.00 mi12:49:012:22:437:0810:13
7:31
+0:01
21M
21.00 mi12:57:012:30:437:118:00
8:00
+0:29
35K
21.75 mi13:02:272:36:097:115:26
7:16
-0:44
23M
23.00 mi13:11:542:45:367:129:27
7:33
+0:17
24M
24.00 mi13:19:092:52:517:127:15
7:15
-0:18
40K
24.85 mi13:25:272:59:097:126:18
7:22
+0:07
25.2M
25.20 mi13:28:123:01:547:132:45
7:58
+0:36
Finish
26.22 mi13:35:323:09:147:137:20
7:12
-0:46

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

6:53 /mi

Average Pace

7:13 /mi

Slowest Pace

8:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:29

94% of race

Time at Steady Pace

10:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:13 /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 mi10:48:1822:007:0522:00
7:05
#6764
10K
6.21 mi11:09:4143:236:5921:23
6:53
#6406
15K
9.32 mi11:31:151:04:576:5821:34
6:56
#6311
20K
12.43 mi11:53:091:26:516:5921:54
7:03
#6293
Half
13.11 mi11:57:561:31:386:594:47
7:01
#6307
25K
15.53 mi12:15:311:49:137:0217:35
7:15
#6397
30K
18.64 mi12:38:482:12:307:0623:17
7:30
#6447
20M
20.00 mi12:49:012:22:437:0810:13
7:31
#6444
21M
21.00 mi12:57:012:30:437:118:00
8:00
#6444
35K
21.75 mi13:02:272:36:097:115:26
7:16
#6427
23M
23.00 mi13:11:542:45:367:129:27
7:33
#6406
24M
24.00 mi13:19:092:52:517:127:15
7:15
#6340
40K
24.85 mi13:25:272:59:097:126:18
7:22
#6281
25.2M
25.20 mi13:28:123:01:547:132:45
7:58
#6269
Finish
26.22 mi13:35:323:09:147:137:20
7:12
#6241
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi67646576576229(Top 23%)581(Top 5%)581(Top 12%)
10K6.21 mi3.10 mi6406+358603+54603+546018(Top 23%)535(Top 5%)535(Top 11%)
15K9.32 mi3.11 mi6311+95585+18585+186229(Top 23%)581(Top 5%)581(Top 12%)
20K12.43 mi3.11 mi6293+18584+1584+16294(Top 24%)597(Top 5%)597(Top 12%)
Half13.11 mi0.68 mi6307-14588-4588-46655(Top 25%)667(Top 6%)667(Top 14%)
25K15.53 mi2.42 mi6397-90612-24612-246971(Top 26%)827(Top 7%)827(Top 17%)
30K18.64 mi3.11 mi6447-50637-25637-257186(Top 27%)992(Top 9%)992(Top 20%)
20M20.00 mi1.36 mi6444+3650-13650-136923(Top 26%)991(Top 9%)991(Top 20%)
21M21.00 mi1.00 mi6444668-18668-187362(Top 28%)1258(Top 11%)1258(Top 26%)
35K21.75 mi0.75 mi6427+17665+3665+36924(Top 26%)1065(Top 9%)1065(Top 22%)
23M23.00 mi1.25 mi6406+21672-7672-76736(Top 25%)1067(Top 9%)1067(Top 22%)
24M24.00 mi1.00 mi6340+66668+4668+46060(Top 23%)908(Top 8%)908(Top 19%)
40K24.85 mi0.85 mi6281+59664+4664+45909(Top 22%)940(Top 8%)940(Top 19%)
25.2M25.20 mi0.35 mi6269+12669-5669-56388(Top 24%)1172(Top 10%)1172(Top 24%)
Finish26.22 mi1.02 mi6241+28670-1670-16418(Top 24%)1196(Top 10%)1196(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6229

Females

581

F18-39

581

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6018

Females

535

F18-39

535

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6229

Females

581

F18-39

581

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6294

Females

597

F18-39

597

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6655

Females

667

F18-39

667

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

6971

Females

827

F18-39

827

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7186

Females

992

F18-39

992

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6923

Females

991

F18-39

991

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7362

Females

1258

F18-39

1258

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6924

Females

1065

F18-39

1065

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6736

Females

1067

F18-39

1067

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6060

Females

908

F18-39

908

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5909

Females

940

F18-39

940

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6388

Females

1172

F18-39

1172

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6418

Females

1196

F18-39

1196

Passing Analysis

Category:
Athletes Passed
1366
Passed By
843
Net Change
+523
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6764
5K → 10K42466+358#6764#6406
10K → 15K16267+95#6406#6311
15K → 20K11395+18#6311#6293
20K → Half1226-14#6293#6307
Half → 25K50140-90#6307#6397
25K → 30K100150-50#6397#6447
30K → 20M6259+3#6447#6444
20M → 21M60600#6444#6444
21M → 35K4831+17#6444#6427
35K → 23M7352+21#6427#6406
23M → 24M9024+66#6406#6340
24M → 40K7617+59#6340#6281
40K → 25.2M3018+12#6281#6269
25.2M → Finish6638+28#6269#6241
TOTALS1366843+523
📊

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