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BOSTON MARATHON 2023

Tracy Boyd

Bib: 22780•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 (F50-54)
#0 / 1207
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
9:34/mi
29:44
↑ 97↓ 3451.5%
10K· 6.21 mi
9:25/mi
59:00
↑ 79↓ 1380.4%
15K· 9.32 mi
9:24/mi
1:28:13
↑ 67↓ 78
20K· 12.43 mi
9:27/mi
1:57:36
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
2:04:04
↑ 19↓ 370.5%
25K· 15.53 mi
9:39/mi
2:27:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:43/mi
2:57:39
↑ 181↓ 1480.2%
20M
9:41/mi
3:10:49
↑ 64↓ 500.2%
21M
10:04/mi
3:20:53
↑ 106↓ 241.6%
35K· 21.75 mi
9:59/mi
3:28:21
↑ 17↓ 861.7%
23M
9:57/mi
3:40:48
↑ 23↓ 630.6%
24M
10:02/mi
3:50:50
↓ 821.3%
40K· 24.85 mi
9:59/mi
3:59:22
↓ 200.3%
25.2M
10:21/mi
4:02:56
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
4:12:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:04
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:08:21
Pace9:47 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4829:449:3429:44
9:34
-
10K
6.21 mi12:15:0459:009:3029:16
9:25
-0:09
15K
9.32 mi12:44:171:28:139:2829:13
9:24
-0:01
20K
12.43 mi13:13:401:57:369:2829:23
9:27
+0:03
Half
13.11 mi13:20:082:04:049:286:28
9:29
+0:02
25K
15.53 mi13:43:332:27:299:3023:25
9:39
+0:10
30K
18.64 mi14:13:432:57:399:3230:10
9:43
+0:04
20M
20.00 mi14:26:533:10:499:3213:10
9:41
-0:02
21M
21.00 mi14:36:573:20:539:3410:04
10:04
+0:23
35K
21.75 mi14:44:253:28:219:357:28
9:59
-0:05
23M
23.00 mi14:56:523:40:489:3612:27
9:57
-0:02
24M
24.00 mi15:06:543:50:509:3710:02
10:02
+0:05
40K
24.85 mi15:15:263:59:229:388:32
9:59
-0:03
25.2M
25.20 mi15:19:004:02:569:383:34
10:21
+0:22
Finish
26.22 mi15:28:294:12:259:389:29
9:18
-1:03

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

9:18 /mi

Average Pace

9:38 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:08:51

99% of race

Time at Steady Pace

3:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:38 /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 mi11:45:4829:449:3429:44
9:34
#22293
10K
6.21 mi12:15:0459:009:3029:16
9:25
#22318
15K
9.32 mi12:44:171:28:139:2829:13
9:24
#22187
20K
12.43 mi13:13:401:57:369:2829:23
9:27
#21988
Half
13.11 mi13:20:082:04:049:286:28
9:29
#21988
25K
15.53 mi13:43:332:27:299:3023:25
9:39
#21873
30K
18.64 mi14:13:432:57:399:3230:10
9:43
#21565
20M
20.00 mi14:26:533:10:499:3213:10
9:41
#21428
21M
21.00 mi14:36:573:20:539:3410:04
10:04
#21241
35K
21.75 mi14:44:253:28:219:357:28
9:59
#21238
23M
23.00 mi14:56:523:40:489:3612:27
9:57
#21127
24M
24.00 mi15:06:543:50:509:3710:02
10:02
#21100
40K
24.85 mi15:15:263:59:229:388:32
9:59
#21054
25.2M
25.20 mi15:19:004:02:569:383:34
10:21
#21012
Finish
26.22 mi15:28:294:12:259:389:29
9:18
#20938
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi222939026902621968(Top 83%)8771(Top 77%)8771(Top 727%)
10K6.21 mi3.10 mi22318-259007+199007+1922279(Top 84%)8969(Top 79%)8969(Top 743%)
15K9.32 mi3.11 mi22187+1318930+778930+7721968(Top 83%)8771(Top 77%)8771(Top 727%)
20K12.43 mi3.11 mi21988+1998828+1028828+10221424(Top 80%)8481(Top 74%)8481(Top 703%)
Half13.11 mi0.68 mi219888824+48824+422063(Top 83%)8812(Top 77%)8812(Top 730%)
25K15.53 mi2.42 mi21873+1158753+718753+7121325(Top 80%)8451(Top 74%)8451(Top 700%)
30K18.64 mi3.11 mi21565+3088594+1598594+15920180(Top 76%)7877(Top 69%)7877(Top 653%)
20M20.00 mi1.36 mi21428+1378528+668528+6619542(Top 73%)7603(Top 67%)7603(Top 630%)
21M21.00 mi1.00 mi21241+1878445+838445+8318296(Top 69%)6933(Top 61%)6933(Top 574%)
35K21.75 mi0.75 mi21238+38452-78452-721221(Top 80%)8609(Top 75%)8609(Top 713%)
23M23.00 mi1.25 mi21127+1118406+468406+4619832(Top 74%)7868(Top 69%)7868(Top 652%)
24M24.00 mi1.00 mi21100+278403+38403+320889(Top 78%)8484(Top 74%)8484(Top 703%)
40K24.85 mi0.85 mi21054+468390+138390+1319919(Top 75%)8020(Top 70%)8020(Top 664%)
25.2M25.20 mi0.35 mi21012+428371+198371+1918668(Top 70%)7330(Top 64%)7330(Top 607%)
Finish26.22 mi1.02 mi20938+748337+348337+3419420(Top 73%)7689(Top 67%)7689(Top 637%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

21968

Females

8771

F50-54

8771

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22279

Females

8969

F50-54

8969

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

21968

Females

8771

F50-54

8771

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21424

Females

8481

F50-54

8481

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22063

Females

8812

F50-54

8812

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21325

Females

8451

F50-54

8451

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20180

Females

7877

F50-54

7877

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19542

Females

7603

F50-54

7603

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18296

Females

6933

F50-54

6933

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21221

Females

8609

F50-54

8609

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19832

Females

7868

F50-54

7868

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20889

Females

8484

F50-54

8484

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19919

Females

8020

F50-54

8020

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18668

Females

7330

F50-54

7330

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19420

Females

7689

F50-54

7689

Passing Analysis

Category:
Athletes Passed
1968
Passed By
613
Net Change
+1355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22293
5K → 10K230255-25#22293#22318
10K → 15K231100+131#22318#22187
15K → 20K24647+199#22187#21988
20K → Half26260#21988#21988
Half → 25K16247+115#21988#21873
25K → 30K32012+308#21873#21565
30K → 20M15215+137#21565#21428
20M → 21M1903+187#21428#21241
21M → 35K3229+3#21241#21238
35K → 23M12312+111#21238#21127
23M → 24M5730+27#21127#21100
24M → 40K6721+46#21100#21054
40K → 25.2M475+42#21054#21012
25.2M → Finish8511+74#21012#20938
TOTALS1968613+1355
📊

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