Boston Marathon logo
BOSTON MARATHON 2023

Andrea Stull

Bib: 19890•F

CO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 33%
Division (F45-49)
#0 / 1817
Top 39%
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
8:16/mi
25:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:16:05
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:41:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:47:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:07:41
↑ 66↓ 880.2%
30K· 18.64 mi
8:35/mi
2:34:20
↑ 181↓ 1480.2%
20M
8:48/mi
2:46:18
↑ 64↓ 500.2%
21M
9:24/mi
2:55:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:02:15
↑ 17↓ 861.7%
23M
8:54/mi
3:13:24
↑ 23↓ 630.6%
24M
8:41/mi
3:22:05
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:29:40
↓ 200.3%
25.2M
9:28/mi
3:32:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:39/mi
3:41:45
↑ 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
Time1:47:31
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:54:14
Pace8:43 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5525:418:1625:41
8:16
-
10K
6.21 mi11:43:0650:528:1125:11
8:06
-0:10
15K
9.32 mi12:08:191:16:058:1025:13
8:07
+0:01
20K
12.43 mi12:34:091:41:558:1225:50
8:19
+0:12
Half
13.11 mi12:39:451:47:318:125:36
8:12
-0:07
25K
15.53 mi12:59:552:07:418:1320:10
8:19
+0:07
30K
18.64 mi13:26:342:34:208:1726:39
8:35
+0:16
20M
20.00 mi13:38:322:46:188:1911:58
8:48
+0:13
21M
21.00 mi13:47:562:55:428:229:24
9:24
+0:36
35K
21.75 mi13:54:293:02:158:236:33
8:45
-0:39
23M
23.00 mi14:05:383:13:248:2511:09
8:54
+0:09
24M
24.00 mi14:14:193:22:058:258:41
8:41
-0:13
40K
24.85 mi14:21:543:29:408:267:35
8:52
+0:11
25.2M
25.20 mi14:25:103:32:568:273:16
9:28
+0:36
Finish
26.22 mi14:33:593:41:458:288:49
8:39
-0:49

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

8:06 /mi

Average Pace

8:28 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:05

94% of race

Time at Steady Pace

12:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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 mi11:17:5525:418:1625:41
8:16
#15944
10K
6.21 mi11:43:0650:528:1125:11
8:06
#15726
15K
9.32 mi12:08:191:16:058:1025:13
8:07
#15572
20K
12.43 mi12:34:091:41:558:1225:50
8:19
#15578
Half
13.11 mi12:39:451:47:318:125:36
8:12
#15605
25K
15.53 mi12:59:552:07:418:1320:10
8:19
#15493
30K
18.64 mi13:26:342:34:208:1726:39
8:35
#15332
20M
20.00 mi13:38:322:46:188:1911:58
8:48
#15333
21M
21.00 mi13:47:562:55:428:229:24
9:24
#15312
35K
21.75 mi13:54:293:02:158:236:33
8:45
#15349
23M
23.00 mi14:05:383:13:248:2511:09
8:54
#15354
24M
24.00 mi14:14:193:22:058:258:41
8:41
#15366
40K
24.85 mi14:21:543:29:408:267:35
8:52
#15370
25.2M
25.20 mi14:25:103:32:568:273:16
9:28
#15343
Finish
26.22 mi14:33:593:41:458:288:49
8:39
#15381
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi159445240524015287(Top 57%)4847(Top 42%)4847(Top 267%)
10K6.21 mi3.10 mi15726+2185110+1305110+13015563(Top 58%)4992(Top 44%)4992(Top 275%)
15K9.32 mi3.11 mi15572+1545022+885022+8815287(Top 57%)4847(Top 42%)4847(Top 267%)
20K12.43 mi3.11 mi15578-65043-215043-2115701(Top 59%)5163(Top 45%)5163(Top 284%)
Half13.11 mi0.68 mi15605-275063-205063-2015903(Top 60%)5235(Top 46%)5235(Top 288%)
25K15.53 mi2.42 mi15493+1125023+405023+4015078(Top 57%)4894(Top 43%)4894(Top 269%)
30K18.64 mi3.11 mi15332+1614969+544969+5414794(Top 56%)4812(Top 42%)4812(Top 265%)
20M20.00 mi1.36 mi15333-14986-174986-1715470(Top 58%)5256(Top 46%)5256(Top 289%)
21M21.00 mi1.00 mi15312+215005-195005-1915483(Top 58%)5338(Top 47%)5338(Top 294%)
35K21.75 mi0.75 mi15349-375035-305035-3016720(Top 63%)6108(Top 53%)6108(Top 336%)
23M23.00 mi1.25 mi15354-55065-305065-3015576(Top 59%)5495(Top 48%)5495(Top 302%)
24M24.00 mi1.00 mi15366-125084-195084-1915586(Top 59%)5576(Top 49%)5576(Top 307%)
40K24.85 mi0.85 mi15370-45106-225106-2215470(Top 58%)5564(Top 49%)5564(Top 306%)
25.2M25.20 mi0.35 mi15343+275101+55101+515107(Top 57%)5361(Top 47%)5361(Top 295%)
Finish26.22 mi1.02 mi15381-385134-335134-3316271(Top 61%)5978(Top 52%)5978(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15287

Females

4847

F45-49

4847

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15563

Females

4992

F45-49

4992

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15287

Females

4847

F45-49

4847

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15701

Females

5163

F45-49

5163

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15903

Females

5235

F45-49

5235

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15078

Females

4894

F45-49

4894

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14794

Females

4812

F45-49

4812

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15470

Females

5256

F45-49

5256

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15483

Females

5338

F45-49

5338

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16720

Females

6108

F45-49

6108

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15576

Females

5495

F45-49

5495

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15586

Females

5576

F45-49

5576

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15470

Females

5564

F45-49

5564

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15107

Females

5361

F45-49

5361

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16271

Females

5978

F45-49

5978

Passing Analysis

Category:
Athletes Passed
1871
Passed By
1308
Net Change
+563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15944
5K → 10K423205+218#15944#15726
10K → 15K269115+154#15726#15572
15K → 20K171177-6#15572#15578
20K → Half2350-27#15578#15605
Half → 25K18977+112#15605#15493
25K → 30K262101+161#15493#15332
30K → 20M8788-1#15332#15333
20M → 21M9776+21#15333#15312
21M → 35K3572-37#15312#15349
35K → 23M8792-5#15349#15354
23M → 24M6375-12#15354#15366
24M → 40K6569-4#15366#15370
40K → 25.2M4215+27#15370#15343
25.2M → Finish5896-38#15343#15381
TOTALS18711308+563
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing