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BOSTON MARATHON 2023

Tabitha Duthie

Bib: 19942•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 40%
Division (F40-44)
#0 / 1878
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
8:25/mi
26:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
52:17
↑ 79↓ 1380.4%
15K· 9.32 mi
8:31/mi
1:18:45
↑ 67↓ 78
20K· 12.43 mi
8:37/mi
1:45:31
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:51:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:34/mi
2:12:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:39:48
↑ 181↓ 1480.2%
20M
8:54/mi
2:51:53
↑ 64↓ 500.2%
21M
9:18/mi
3:01:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:07:39
↑ 17↓ 861.7%
23M
8:50/mi
3:18:42
↑ 23↓ 630.6%
24M
8:37/mi
3:27:19
↓ 821.3%
40K· 24.85 mi
8:35/mi
3:34:39
↓ 200.3%
25.2M
9:14/mi
3:37:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:46:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:26
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:54:46
Pace8:45 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5026:088:2526:08
8:25
-
10K
6.21 mi11:43:5952:178:2526:09
8:25
0:00
15K
9.32 mi12:10:271:18:458:2726:28
8:31
+0:06
20K
12.43 mi12:37:131:45:318:2926:46
8:37
+0:06
Half
13.11 mi12:43:081:51:268:305:55
8:40
+0:03
25K
15.53 mi13:03:552:12:138:3120:47
8:34
-0:06
30K
18.64 mi13:31:302:39:488:3427:35
8:53
+0:19
20M
20.00 mi13:43:352:51:538:3612:05
8:54
+0:01
21M
21.00 mi13:52:533:01:118:389:18
9:18
+0:24
35K
21.75 mi13:59:213:07:398:386:28
8:39
-0:39
23M
23.00 mi14:10:243:18:428:3811:03
8:50
+0:11
24M
24.00 mi14:19:013:27:198:388:37
8:37
-0:13
40K
24.85 mi14:26:213:34:398:387:20
8:35
-0:02
25.2M
25.20 mi14:29:323:37:508:393:11
9:14
+0:39
Finish
26.22 mi14:37:543:46:128:388:22
8:13
-1:01

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

8:13 /mi

Average Pace

8:38 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:43

94% of race

Time at Steady Pace

12:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:17:5026:088:2526:08
8:25
#16978
10K
6.21 mi11:43:5952:178:2526:09
8:25
#17311
15K
9.32 mi12:10:271:18:458:2726:28
8:31
#17513
20K
12.43 mi12:37:131:45:318:2926:46
8:37
#17490
Half
13.11 mi12:43:081:51:268:305:55
8:40
#17568
25K
15.53 mi13:03:552:12:138:3120:47
8:34
#17392
30K
18.64 mi13:31:302:39:488:3427:35
8:53
#17200
20M
20.00 mi13:43:352:51:538:3612:05
8:54
#17092
21M
21.00 mi13:52:533:01:118:389:18
9:18
#16957
35K
21.75 mi13:59:213:07:398:386:28
8:39
#16929
23M
23.00 mi14:10:243:18:428:3811:03
8:50
#16821
24M
24.00 mi14:19:013:27:198:388:37
8:37
#16735
40K
24.85 mi14:26:213:34:398:387:20
8:35
#16624
25.2M
25.20 mi14:29:323:37:508:393:11
9:14
#16564
Finish
26.22 mi14:37:543:46:128:388:22
8:13
#16436
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi169785917591717937(Top 67%)6454(Top 57%)6454(Top 344%)
10K6.21 mi3.10 mi17311-3336121-2046121-20417685(Top 66%)6297(Top 55%)6297(Top 335%)
15K9.32 mi3.11 mi17513-2026221-1006221-10017937(Top 67%)6454(Top 57%)6454(Top 344%)
20K12.43 mi3.11 mi17490+236210+116210+1117592(Top 66%)6280(Top 55%)6280(Top 334%)
Half13.11 mi0.68 mi17568-786262-526262-5218774(Top 71%)6931(Top 61%)6931(Top 369%)
25K15.53 mi2.42 mi17392+1766171+916171+9116646(Top 63%)5802(Top 51%)5802(Top 309%)
30K18.64 mi3.11 mi17200+1926077+946077+9416543(Top 62%)5814(Top 51%)5814(Top 310%)
20M20.00 mi1.36 mi17092+1086024+536024+5315986(Top 60%)5568(Top 49%)5568(Top 296%)
21M21.00 mi1.00 mi16957+1355962+625962+6215010(Top 56%)5064(Top 44%)5064(Top 270%)
35K21.75 mi0.75 mi16929+285947+155947+1516128(Top 61%)5767(Top 50%)5767(Top 307%)
23M23.00 mi1.25 mi16821+1085911+365911+3615152(Top 57%)5269(Top 46%)5269(Top 281%)
24M24.00 mi1.00 mi16735+865884+275884+2715195(Top 57%)5346(Top 47%)5346(Top 285%)
40K24.85 mi0.85 mi16624+1115839+455839+4513861(Top 52%)4674(Top 41%)4674(Top 249%)
25.2M25.20 mi0.35 mi16564+605810+295810+2913910(Top 52%)4721(Top 41%)4721(Top 251%)
Finish26.22 mi1.02 mi16436+1285745+655745+6513557(Top 51%)4512(Top 39%)4512(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17937

Females

6454

F40-44

6454

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17685

Females

6297

F40-44

6297

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17937

Females

6454

F40-44

6454

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17592

Females

6280

F40-44

6280

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18774

Females

6931

F40-44

6931

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16646

Females

5802

F40-44

5802

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16543

Females

5814

F40-44

5814

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15986

Females

5568

F40-44

5568

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15010

Females

5064

F40-44

5064

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16128

Females

5767

F40-44

5767

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15152

Females

5269

F40-44

5269

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15195

Females

5346

F40-44

5346

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13861

Females

4674

F40-44

4674

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13910

Females

4721

F40-44

4721

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13557

Females

4512

F40-44

4512

Passing Analysis

Category:
Athletes Passed
1919
Passed By
1377
Net Change
+542
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16978
5K → 10K186519-333#16978#17311
10K → 15K111313-202#17311#17513
15K → 20K186163+23#17513#17490
20K → Half1694-78#17490#17568
Half → 25K21438+176#17568#17392
25K → 30K27078+192#17392#17200
30K → 20M13426+108#17200#17092
20M → 21M16227+135#17092#16957
21M → 35K5830+28#16957#16929
35K → 23M14032+108#16929#16821
23M → 24M11327+86#16821#16735
24M → 40K12413+111#16735#16624
40K → 25.2M655+60#16624#16564
25.2M → Finish14012+128#16564#16436
TOTALS19191377+542
📊

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