Boston Marathon logo
BOSTON MARATHON 2023

Dawn Thompson

Bib: 20044•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
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

Start
0:00:00
Race begins
5K· 3.11 mi
26:42
Rank: #18206
Start → 5K
26:42 | 8:36/mi
10K· 6.21 mi
54:20
Rank: #19371 (-1165)
5K → 10K
27:38 | 8:54/mi
15K· 9.32 mi
1:20:50
Rank: #18890 (+481)
10K → 15K
26:30 | 8:32/mi
20K· 12.43 mi
1:50:12
Rank: #19689 (-799)
15K → 20K
29:22 | 9:27/mi
Half· 13.11 mi
1:56:08
Rank: #19652 (+37)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:18:30
Rank: #19703 (-51)
Half → 25K
22:22 | 9:13/mi
30K· 18.64 mi
2:47:47
Rank: #19595 (+108)
25K → 30K
29:17 | 9:26/mi
20M
3:00:14
Rank: #19420 (+175)
30K → 20M
12:27 | 9:10/mi
21M
3:10:06
Rank: #19294 (+126)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
3:17:57
Rank: #19476 (-182)
21M → 35K
7:51 | 10:30/mi
23M
3:29:48
Rank: #19404 (+72)
35K → 23M
11:51 | 9:28/mi
24M
3:39:10
Rank: #19378 (+26)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:48:10
Rank: #19504 (-126)
24M → 40K
9:00 | 10:32/mi
25.2M
3:51:44
Rank: #19496 (+8)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
4:01:09
Rank: #19498 (-2)
25.2M → Finish
9:25 | 9:14/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:08
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:05:01
Pace9:32 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2326:428:3626:42
8:36
-
10K
6.21 mi11:50:0154:208:4527:38
8:54
+0:18
15K
9.32 mi12:16:311:20:508:4026:30
8:32
-0:22
20K
12.43 mi12:45:531:50:128:5229:22
9:27
+0:55
Half
13.11 mi12:51:491:56:088:525:56
8:42
-0:45
25K
15.53 mi13:14:112:18:308:5522:22
9:13
+0:31
30K
18.64 mi13:43:282:47:479:0029:17
9:26
+0:13
20M
20.00 mi13:55:553:00:149:0112:27
9:10
-0:16
21M
21.00 mi14:05:473:10:069:039:52
9:52
+0:42
35K
21.75 mi14:13:383:17:579:067:51
10:30
+0:38
23M
23.00 mi14:25:293:29:489:0711:51
9:28
-1:02
24M
24.00 mi14:34:513:39:109:089:22
9:22
-0:06
40K
24.85 mi14:43:513:48:109:119:00
10:32
+1:10
25.2M
25.20 mi14:47:253:51:449:123:34
10:21
-0:11
Finish
26.22 mi14:56:504:01:099:129:25
9:14
-1:07

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

8:32 /mi

Average Pace

9:12 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:46

36% of race

Time at Steady Pace

2:04:06

51% of race

Time at Slower Pace

30:17

13% of race

Average Pace: 9:12 /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 mi11:22:2326:428:3626:42
8:36
#18206
10K
6.21 mi11:50:0154:208:4527:38
8:54
#19371
15K
9.32 mi12:16:311:20:508:4026:30
8:32
#18890
20K
12.43 mi12:45:531:50:128:5229:22
9:27
#19689
Half
13.11 mi12:51:491:56:088:525:56
8:42
#19652
25K
15.53 mi13:14:112:18:308:5522:22
9:13
#19703
30K
18.64 mi13:43:282:47:479:0029:17
9:26
#19595
20M
20.00 mi13:55:553:00:149:0112:27
9:10
#19420
21M
21.00 mi14:05:473:10:069:039:52
9:52
#19294
35K
21.75 mi14:13:383:17:579:067:51
10:30
#19476
23M
23.00 mi14:25:293:29:489:0711:51
9:28
#19404
24M
24.00 mi14:34:513:39:109:089:22
9:22
#19378
40K
24.85 mi14:43:513:48:109:119:00
10:32
#19504
25.2M
25.20 mi14:47:253:51:449:123:34
10:21
#19496
Finish
26.22 mi14:56:504:01:099:129:25
9:14
#19498
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi182066688668818029(Top 68%)6517(Top 57%)6517(Top 540%)
10K6.21 mi3.10 mi19371-11657382-6947382-69420407(Top 77%)7928(Top 69%)7928(Top 657%)
15K9.32 mi3.11 mi18890+4817063+3197063+31918029(Top 68%)6517(Top 57%)6517(Top 540%)
20K12.43 mi3.11 mi19689-7997540-4777540-47721396(Top 80%)8462(Top 74%)8462(Top 701%)
Half13.11 mi0.68 mi19652+377513+277513+2718986(Top 71%)7085(Top 62%)7085(Top 587%)
25K15.53 mi2.42 mi19703-517536-237536-2319940(Top 75%)7655(Top 67%)7655(Top 634%)
30K18.64 mi3.11 mi19595+1087488+487488+4819158(Top 72%)7282(Top 64%)7282(Top 603%)
20M20.00 mi1.36 mi19420+1757401+877401+8717400(Top 65%)6399(Top 56%)6399(Top 530%)
21M21.00 mi1.00 mi19294+1267338+637338+6317534(Top 66%)6502(Top 57%)6502(Top 539%)
35K21.75 mi0.75 mi19476-1827448-1107448-11022382(Top 84%)9258(Top 81%)9258(Top 767%)
23M23.00 mi1.25 mi19404+727405+437405+4318207(Top 68%)6981(Top 61%)6981(Top 578%)
24M24.00 mi1.00 mi19378+267403+27403+218733(Top 70%)7296(Top 64%)7296(Top 604%)
40K24.85 mi0.85 mi19504-1267493-907493-9021278(Top 80%)8759(Top 77%)8759(Top 726%)
25.2M25.20 mi0.35 mi19496+87493749318652(Top 70%)7314(Top 64%)7314(Top 606%)
Finish26.22 mi1.02 mi19498-27500-77500-719133(Top 72%)7510(Top 66%)7510(Top 622%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18029

Females

6517

F50-54

6517

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20407

Females

7928

F50-54

7928

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18029

Females

6517

F50-54

6517

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21396

Females

8462

F50-54

8462

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18986

Females

7085

F50-54

7085

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19940

Females

7655

F50-54

7655

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

19158

Females

7282

F50-54

7282

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17400

Females

6399

F50-54

6399

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17534

Females

6502

F50-54

6502

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22382

Females

9258

F50-54

9258

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18207

Females

6981

F50-54

6981

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18733

Females

7296

F50-54

7296

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21278

Females

8759

F50-54

8759

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18652

Females

7314

F50-54

7314

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19133

Females

7510

F50-54

7510

Passing Analysis

Category:
Athletes Passed
1595
Passed By
2887
Net Change
-1292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18206
5K → 10K571222-1165#18206#19371
10K → 15K52140+481#19371#18890
15K → 20K35834-799#18890#19689
20K → Half5518+37#19689#19652
Half → 25K99150-51#19652#19703
25K → 30K208100+108#19703#19595
30K → 20M18813+175#19595#19420
20M → 21M15226+126#19420#19294
21M → 35K11193-182#19294#19476
35K → 23M10937+72#19476#19404
23M → 24M6640+26#19404#19378
24M → 40K25151-126#19378#19504
40K → 25.2M2416+8#19504#19496
25.2M → Finish4547-2#19496#19498
TOTALS15952887-1292
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing