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BOSTON MARATHON 2023

Tara Bruce

Bib: 10136•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 21%
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
7:28/mi
23:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:09:15
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:32:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:37:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:55:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:36/mi
2:19:02
↑ 181↓ 1480.2%
20M
7:33/mi
2:29:18
↑ 64↓ 500.2%
21M
7:49/mi
2:37:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:42:37
↑ 17↓ 861.7%
23M
7:34/mi
2:52:06
↑ 23↓ 630.6%
24M
7:23/mi
2:59:29
↓ 821.3%
40K· 24.85 mi
7:30/mi
3:05:54
↓ 200.3%
25.2M
8:07/mi
3:08:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:16:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:23
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2723:127:2823:12
7:28
-
10K
6.21 mi11:12:3346:187:2723:06
7:26
-0:02
15K
9.32 mi11:35:301:09:157:2622:57
7:23
-0:03
20K
12.43 mi11:58:371:32:227:2623:07
7:26
+0:03
Half
13.11 mi12:03:381:37:237:265:01
7:21
-0:05
25K
15.53 mi12:21:411:55:267:2618:03
7:27
+0:06
30K
18.64 mi12:45:172:19:027:2823:36
7:36
+0:09
20M
20.00 mi12:55:332:29:187:2810:16
7:33
-0:03
21M
21.00 mi13:03:222:37:077:297:49
7:49
+0:16
35K
21.75 mi13:08:522:42:377:295:30
7:21
-0:28
23M
23.00 mi13:18:212:52:067:299:29
7:34
+0:13
24M
24.00 mi13:25:442:59:297:297:23
7:23
-0:11
40K
24.85 mi13:32:093:05:547:296:25
7:30
+0:07
25.2M
25.20 mi13:34:573:08:427:292:48
8:07
+0:37
Finish
26.22 mi13:42:283:16:137:297:31
7:23
-0:44

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

7:21 /mi

Average Pace

7:29 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:25

99% of race

Time at Steady Pace

2:48

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi10:49:2723:127:2823:12
7:28
#9364
10K
6.21 mi11:12:3346:187:2723:06
7:26
#9588
15K
9.32 mi11:35:301:09:157:2622:57
7:23
#9433
20K
12.43 mi11:58:371:32:227:2623:07
7:26
#9266
Half
13.11 mi12:03:381:37:237:265:01
7:21
#9235
25K
15.53 mi12:21:411:55:267:2618:03
7:27
#9067
30K
18.64 mi12:45:172:19:027:2823:36
7:36
#8815
20M
20.00 mi12:55:332:29:187:2810:16
7:33
#8677
21M
21.00 mi13:03:222:37:077:297:49
7:49
#8521
35K
21.75 mi13:08:522:42:377:295:30
7:21
#8466
23M
23.00 mi13:18:212:52:067:299:29
7:34
#8335
24M
24.00 mi13:25:442:59:297:297:23
7:23
#8235
40K
24.85 mi13:32:093:05:547:296:25
7:30
#8161
25.2M
25.20 mi13:34:573:08:427:292:48
8:07
#8131
Finish
26.22 mi13:42:283:16:137:297:31
7:23
#8086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9364155915599238(Top 35%)1533(Top 13%)1533(Top 31%)
10K6.21 mi3.10 mi9588-2241651-921651-929935(Top 37%)1785(Top 16%)1785(Top 37%)
15K9.32 mi3.11 mi9433+1551593+581593+589238(Top 35%)1533(Top 13%)1533(Top 31%)
20K12.43 mi3.11 mi9266+1671547+461547+468842(Top 33%)1420(Top 12%)1420(Top 29%)
Half13.11 mi0.68 mi9235+311535+121535+129068(Top 34%)1492(Top 13%)1492(Top 31%)
25K15.53 mi2.42 mi9067+1681468+671468+678381(Top 31%)1322(Top 12%)1322(Top 27%)
30K18.64 mi3.11 mi8815+2521411+571411+577928(Top 30%)1276(Top 11%)1276(Top 26%)
20M20.00 mi1.36 mi8677+1381384+271384+277217(Top 27%)1109(Top 10%)1109(Top 23%)
21M21.00 mi1.00 mi8521+1561345+391345+396290(Top 24%)882(Top 8%)882(Top 18%)
35K21.75 mi0.75 mi8466+551336+91336+97519(Top 28%)1311(Top 11%)1311(Top 27%)
23M23.00 mi1.25 mi8335+1311305+311305+316941(Top 26%)1153(Top 10%)1153(Top 24%)
24M24.00 mi1.00 mi8235+1001292+131292+136971(Top 26%)1266(Top 11%)1266(Top 26%)
40K24.85 mi0.85 mi8161+741287+51287+56792(Top 26%)1277(Top 11%)1277(Top 26%)
25.2M25.20 mi0.35 mi8131+301283+41283+47269(Top 27%)1513(Top 13%)1513(Top 31%)
Finish26.22 mi1.02 mi8086+451287-41287-47648(Top 29%)1677(Top 15%)1677(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9238

Females

1533

F18-39

1533

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9935

Females

1785

F18-39

1785

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9238

Females

1533

F18-39

1533

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8842

Females

1420

F18-39

1420

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9068

Females

1492

F18-39

1492

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8381

Females

1322

F18-39

1322

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7928

Females

1276

F18-39

1276

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7217

Females

1109

F18-39

1109

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6290

Females

882

F18-39

882

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7519

Females

1311

F18-39

1311

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6941

Females

1153

F18-39

1153

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6971

Females

1266

F18-39

1266

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6792

Females

1277

F18-39

1277

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7269

Females

1513

F18-39

1513

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7648

Females

1677

F18-39

1677

Passing Analysis

Category:
Athletes Passed
2099
Passed By
821
Net Change
+1278
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9364
5K → 10K193417-224#9364#9588
10K → 15K24590+155#9588#9433
15K → 20K22760+167#9433#9266
20K → Half4211+31#9266#9235
Half → 25K20436+168#9235#9067
25K → 30K29644+252#9067#8815
30K → 20M16123+138#8815#8677
20M → 21M17014+156#8677#8521
21M → 35K6813+55#8521#8466
35K → 23M15120+131#8466#8335
23M → 24M11616+100#8335#8235
24M → 40K9925+74#8235#8161
40K → 25.2M4717+30#8161#8131
25.2M → Finish8035+45#8131#8086
TOTALS2099821+1278
📊

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