Boston Marathon logo
BOSTON MARATHON 2023

Kristin Persson

Bib: 27881•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
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
10:47/mi
33:30
↑ 97↓ 3451.5%
10K· 6.21 mi
10:48/mi
1:07:03
↑ 79↓ 1380.4%
15K· 9.32 mi
11:42/mi
1:43:24
↑ 67↓ 78
20K· 12.43 mi
11:57/mi
2:20:32
↑ 106↓ 860.1%
Half· 13.11 mi
11:51/mi
2:28:37
↑ 19↓ 370.5%
25K· 15.53 mi
12:46/mi
2:59:34
↑ 66↓ 880.2%
30K· 18.64 mi
14:31/mi
3:44:40
↑ 181↓ 1480.2%
20M
12:18/mi
4:01:23
↑ 64↓ 500.2%
21M
13:41/mi
4:15:04
↑ 106↓ 241.6%
35K· 21.75 mi
12:47/mi
4:24:38
↑ 17↓ 861.7%
23M
13:00/mi
4:40:54
↑ 23↓ 630.6%
24M
11:49/mi
4:52:43
↓ 821.3%
40K· 24.85 mi
13:41/mi
5:04:25
↓ 200.3%
25.2M
14:27/mi
5:09:24
↑ 13↓ 160.2%
Finish· 26.22 mi
10:49/mi
5:20:25
↑ 22↓ 21

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
Time2:28:37
Pace11:20 /mi
2nd Half
Distance13.11 mi
Time2:51:48
Pace13:06 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3833:3010:4733:30
10:47
-
10K
6.21 mi12:24:111:07:0310:4733:33
10:48
+0:01
15K
9.32 mi13:00:321:43:2411:0636:21
11:42
+0:54
20K
12.43 mi13:37:402:20:3211:1837:08
11:57
+0:15
Half
13.11 mi13:45:452:28:3711:208:05
11:51
-0:06
25K
15.53 mi14:16:422:59:3411:3430:57
12:46
+0:55
30K
18.64 mi15:01:483:44:4012:0345:06
14:31
+1:45
20M
20.00 mi15:18:314:01:2312:0416:43
12:18
-2:13
21M
21.00 mi15:32:124:15:0412:0913:41
13:41
+1:23
35K
21.75 mi15:41:464:24:3812:109:34
12:47
-0:54
23M
23.00 mi15:58:024:40:5412:1316:16
13:00
+0:13
24M
24.00 mi16:09:514:52:4312:1211:49
11:49
-1:11
40K
24.85 mi16:21:335:04:2512:1511:42
13:41
+1:52
25.2M
25.20 mi16:26:325:09:2412:174:59
14:27
+0:46
Finish
26.22 mi16:37:335:20:2512:1411:01
10:49
-3:38

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

10:47 /mi

Average Pace

12:14 /mi

Slowest Pace

14:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:25

36% of race

Time at Steady Pace

1:54:16

36% of race

Time at Slower Pace

1:31:44

29% of race

Average Pace: 12:13 /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 mi11:50:3833:3010:4733:30
10:47
#25350
10K
6.21 mi12:24:111:07:0310:4733:33
10:48
#25255
15K
9.32 mi13:00:321:43:2411:0636:21
11:42
#25565
20K
12.43 mi13:37:402:20:3211:1837:08
11:57
#25600
Half
13.11 mi13:45:452:28:3711:208:05
11:51
#25611
25K
15.53 mi14:16:422:59:3411:3430:57
12:46
#25655
30K
18.64 mi15:01:483:44:4012:0345:06
14:31
#25832
20M
20.00 mi15:18:314:01:2312:0416:43
12:18
#25754
21M
21.00 mi15:32:124:15:0412:0913:41
13:41
#25716
35K
21.75 mi15:41:464:24:3812:109:34
12:47
#25710
23M
23.00 mi15:58:024:40:5412:1316:16
13:00
#25686
24M
24.00 mi16:09:514:52:4312:1211:49
11:49
#25660
40K
24.85 mi16:21:335:04:2512:1511:42
13:41
#25664
25.2M
25.20 mi16:26:325:09:2412:174:59
14:27
#25658
Finish
26.22 mi16:37:335:20:2512:1411:01
10:49
#25613
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25350106421064225868(Top 97%)10963(Top 96%)10963(Top 584%)
10K6.21 mi3.10 mi25255+9510576+6610576+6625181(Top 95%)10542(Top 92%)10542(Top 561%)
15K9.32 mi3.11 mi25565-31010775-19910775-19925868(Top 97%)10963(Top 96%)10963(Top 584%)
20K12.43 mi3.11 mi25600-3510807-3210807-3225626(Top 96%)10845(Top 95%)10845(Top 577%)
Half13.11 mi0.68 mi25611-1110817-1010817-1025770(Top 97%)10933(Top 96%)10933(Top 582%)
25K15.53 mi2.42 mi25655-4410850-3310850-3325738(Top 97%)10928(Top 96%)10928(Top 582%)
30K18.64 mi3.11 mi25832-17710955-10510955-10526251(Top 99%)11227(Top 98%)11227(Top 598%)
20M20.00 mi1.36 mi25754+7810917+3810917+3824550(Top 92%)10369(Top 91%)10369(Top 552%)
21M21.00 mi1.00 mi25716+3810901+1610901+1624764(Top 93%)10487(Top 92%)10487(Top 558%)
35K21.75 mi0.75 mi25710+610898+310898+325412(Top 95%)10869(Top 95%)10869(Top 579%)
23M23.00 mi1.25 mi25686+2410890+810890+825078(Top 94%)10676(Top 93%)10676(Top 568%)
24M24.00 mi1.00 mi25660+2610882+810882+824304(Top 91%)10333(Top 90%)10333(Top 550%)
40K24.85 mi0.85 mi25664-410886-410886-425496(Top 96%)10919(Top 96%)10919(Top 581%)
25.2M25.20 mi0.35 mi25658+610885+110885+125376(Top 95%)10867(Top 95%)10867(Top 579%)
Finish26.22 mi1.02 mi25613+4510862+2310862+2323643(Top 89%)9981(Top 87%)9981(Top 531%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25868

Females

10963

F40-44

10963

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25181

Females

10542

F40-44

10542

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25868

Females

10963

F40-44

10963

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

25626

Females

10845

F40-44

10845

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25770

Females

10933

F40-44

10933

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25738

Females

10928

F40-44

10928

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26251

Females

11227

F40-44

11227

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24550

Females

10369

F40-44

10369

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24764

Females

10487

F40-44

10487

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25412

Females

10869

F40-44

10869

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

25078

Females

10676

F40-44

10676

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24304

Females

10333

F40-44

10333

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25496

Females

10919

F40-44

10919

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25376

Females

10867

F40-44

10867

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23643

Females

9981

F40-44

9981

Passing Analysis

Category:
Athletes Passed
649
Passed By
912
Net Change
-263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25350
5K → 10K212117+95#25350#25255
10K → 15K19329-310#25255#25565
15K → 20K74109-35#25565#25600
20K → Half920-11#25600#25611
Half → 25K3983-44#25611#25655
25K → 30K14191-177#25655#25832
30K → 20M791+78#25832#25754
20M → 21M4810+38#25754#25716
21M → 35K148+6#25716#25710
35K → 23M3511+24#25710#25686
23M → 24M359+26#25686#25660
24M → 40K1519-4#25660#25664
40K → 25.2M82+6#25664#25658
25.2M → Finish483+45#25658#25613
TOTALS649912-263
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing