Boston Marathon logo
BOSTON MARATHON 2023

Susan Richardson

Bib: 27565•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
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
11:02/mi
34:16
↑ 97↓ 3451.5%
10K· 6.21 mi
11:45/mi
1:10:47
↑ 79↓ 1380.4%
15K· 9.32 mi
12:03/mi
1:48:14
↑ 67↓ 78
20K· 12.43 mi
12:57/mi
2:28:27
↑ 106↓ 860.1%
Half· 13.11 mi
13:17/mi
2:37:31
↑ 19↓ 370.5%
25K· 15.53 mi
14:06/mi
3:11:42
↑ 66↓ 880.2%
30K· 18.64 mi
14:52/mi
3:57:53
↑ 181↓ 1480.2%
20M
15:46/mi
4:19:18
↑ 64↓ 500.2%
21M
18:08/mi
4:37:26
↑ 106↓ 241.6%
35K· 21.75 mi
14:46/mi
4:48:29
↑ 17↓ 861.7%
23M
15:53/mi
5:08:22
↑ 23↓ 630.6%
24M
17:46/mi
5:26:08
↓ 821.3%
40K· 24.85 mi
15:46/mi
5:39:37
↓ 200.3%
25.2M
15:48/mi
5:45:04
↑ 13↓ 160.2%
Finish· 26.22 mi
14:54/mi
6:00:15
↑ 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
Time2:37:31
Pace12:01 /mi
2nd Half
Distance13.11 mi
Time3:22:44
Pace15:28 /mi
📊Positive Split: 28.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1734:1611:0234:16
11:02
-
10K
6.21 mi12:27:481:10:4711:2336:31
11:45
+0:43
15K
9.32 mi13:05:151:48:1411:3737:27
12:03
+0:18
20K
12.43 mi13:45:282:28:2711:5740:13
12:57
+0:54
Half
13.11 mi13:54:322:37:3112:019:04
13:17
+0:20
25K
15.53 mi14:28:433:11:4212:2034:11
14:06
+0:49
30K
18.64 mi15:14:543:57:5312:4646:11
14:52
+0:46
20M
20.00 mi15:36:194:19:1812:5821:25
15:46
+0:54
21M
21.00 mi15:54:274:37:2613:1318:08
18:08
+2:22
35K
21.75 mi16:05:304:48:2913:1611:03
14:46
-3:22
23M
23.00 mi16:25:235:08:2213:2419:53
15:53
+1:07
24M
24.00 mi16:43:095:26:0813:3517:46
17:46
+1:53
40K
24.85 mi16:56:385:39:3713:4013:29
15:46
-2:00
25.2M
25.20 mi17:02:055:45:0413:425:27
15:48
+0:02
Finish
26.22 mi17:17:166:00:1513:4515:11
14:54
-0:54

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

11:02 /mi

Average Pace

13:45 /mi

Slowest Pace

18:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:31

44% of race

Time at Steady Pace

2:26:57

41% of race

Time at Slower Pace

55:47

15% of race

Average Pace: 13:44 /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 mi11:51:1734:1611:0234:16
11:02
#25726
10K
6.21 mi12:27:481:10:4711:2336:31
11:45
#26007
15K
9.32 mi13:05:151:48:1411:3737:27
12:03
#26058
20K
12.43 mi13:45:282:28:2711:5740:13
12:57
#26126
Half
13.11 mi13:54:322:37:3112:019:04
13:17
#26157
25K
15.53 mi14:28:433:11:4212:2034:11
14:06
#26228
30K
18.64 mi15:14:543:57:5312:4646:11
14:52
#26285
20M
20.00 mi15:36:194:19:1812:5821:25
15:46
#26321
21M
21.00 mi15:54:274:37:2613:1318:08
18:08
#26381
35K
21.75 mi16:05:304:48:2913:1611:03
14:46
#26391
23M
23.00 mi16:25:235:08:2213:2419:53
15:53
#26425
24M
24.00 mi16:43:095:26:0813:3517:46
17:46
#26492
40K
24.85 mi16:56:385:39:3713:4013:29
15:46
#26499
25.2M
25.20 mi17:02:055:45:0413:425:27
15:48
#26500
Finish
26.22 mi17:17:166:00:1513:4515:11
14:54
#26523
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi25726108731087326095(Top 98%)11102(Top 97%)11102(Top 2107%)
10K6.21 mi3.10 mi26007-28111047-17411047-17426126(Top 98%)11125(Top 97%)11125(Top 2111%)
15K9.32 mi3.11 mi26058-5111075-2811075-2826095(Top 98%)11102(Top 97%)11102(Top 2107%)
20K12.43 mi3.11 mi26126-6811120-4511120-4526207(Top 98%)11178(Top 98%)11178(Top 2121%)
Half13.11 mi0.68 mi26157-3111139-1911139-1926426(Top 99%)11320(Top 99%)11320(Top 2148%)
25K15.53 mi2.42 mi26228-7111184-4511184-4526383(Top 99%)11294(Top 99%)11294(Top 2143%)
30K18.64 mi3.11 mi26285-5711218-3411218-3426379(Top 99%)11302(Top 99%)11302(Top 2145%)
20M20.00 mi1.36 mi26321-3611242-2411242-2426461(Top 99%)11350(Top 99%)11350(Top 2154%)
21M21.00 mi1.00 mi26381-6011282-4011282-4026556(Top 100%)11391(Top 100%)11391(Top 2161%)
35K21.75 mi0.75 mi26391-1011289-711289-726372(Top 99%)11319(Top 99%)11319(Top 2148%)
23M23.00 mi1.25 mi26425-3411311-2211311-2226466(Top 99%)11357(Top 99%)11357(Top 2155%)
24M24.00 mi1.00 mi26492-6711352-4111352-4126594(Top 100%)11414(Top 100%)11414(Top 2166%)
40K24.85 mi0.85 mi26499-711358-611358-626373(Top 99%)11330(Top 99%)11330(Top 2150%)
25.2M25.20 mi0.35 mi26500-1113581135826062(Top 98%)11196(Top 98%)11196(Top 2124%)
Finish26.22 mi1.02 mi26523-2311374-1611374-1626492(Top 100%)11382(Top 100%)11382(Top 2160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26095

Females

11102

F60-64

11102

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26126

Females

11125

F60-64

11125

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26095

Females

11102

F60-64

11102

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26207

Females

11178

F60-64

11178

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26426

Females

11320

F60-64

11320

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26383

Females

11294

F60-64

11294

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26379

Females

11302

F60-64

11302

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26461

Females

11350

F60-64

11350

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

26556

Females

11391

F60-64

11391

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26372

Females

11319

F60-64

11319

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26466

Females

11357

F60-64

11357

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

26594

Females

11414

F60-64

11414

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26373

Females

11330

F60-64

11330

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26062

Females

11196

F60-64

11196

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

26492

Females

11382

F60-64

11382

Passing Analysis

Category:
Athletes Passed
140
Passed By
937
Net Change
-797
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25726
5K → 10K27308-281#25726#26007
10K → 15K3687-51#26007#26058
15K → 20K2189-68#26058#26126
20K → Half132-31#26126#26157
Half → 25K778-71#26157#26228
25K → 30K1572-57#26228#26285
30K → 20M945-36#26285#26321
20M → 21M262-60#26321#26381
21M → 35K414-10#26381#26391
35K → 23M539-34#26391#26425
23M → 24M067-67#26425#26492
24M → 40K916-7#26492#26499
40K → 25.2M23-1#26499#26500
25.2M → Finish225-23#26500#26523
TOTALS140937-797
📊

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