Boston Marathon logo
BOSTON MARATHON 2023

Madeline Bell

Bib: 26979•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:20
Rank: #23650
Start → 5K
31:20 | 10:05/mi
10K· 6.21 mi
1:02:35
Rank: #23791 (-141)
5K → 10K
31:15 | 10:04/mi
15K· 9.32 mi
1:33:46
Rank: #23729 (+62)
10K → 15K
31:11 | 10:02/mi
20K· 12.43 mi
2:05:28
Rank: #23631 (+98)
15K → 20K
31:42 | 10:12/mi
Half· 13.11 mi
2:12:32
Rank: #23650 (-19)
20K → Half
7:04 | 10:21/mi
25K· 15.53 mi
2:38:32
Rank: #23617 (+33)
Half → 25K
26:00 | 10:43/mi
30K· 18.64 mi
3:12:25
Rank: #23488 (+129)
25K → 30K
33:53 | 10:54/mi
20M
3:27:17
Rank: #23415 (+73)
30K → 20M
14:52 | 10:56/mi
21M
3:38:53
Rank: #23349 (+66)
20M → 21M
11:36 | 11:36/mi
35K· 21.75 mi
3:46:54
Rank: #23317 (+32)
21M → 35K
8:01 | 10:43/mi
23M
4:00:51
Rank: #23268 (+49)
35K → 23M
13:57 | 11:08/mi
24M
4:11:46
Rank: #23269 (-1)
23M → 24M
10:55 | 10:55/mi
40K· 24.85 mi
4:21:23
Rank: #23259 (+10)
24M → 40K
9:37 | 11:15/mi
25.2M
4:25:35
Rank: #23244 (+15)
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:36:31
Rank: #23255 (-11)
25.2M → Finish
10:56 | 10:44/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
Time2:12:32
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:23:59
Pace10:59 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4631:2010:0531:20
10:05
-
10K
6.21 mi12:19:011:02:3510:0431:15
10:04
-0:01
15K
9.32 mi12:50:121:33:4610:0431:11
10:02
-0:02
20K
12.43 mi13:21:542:05:2810:0631:42
10:12
+0:10
Half
13.11 mi13:28:582:12:3210:077:04
10:21
+0:09
25K
15.53 mi13:54:582:38:3210:1226:00
10:43
+0:22
30K
18.64 mi14:28:513:12:2510:1933:53
10:54
+0:11
20M
20.00 mi14:43:433:27:1710:2214:52
10:56
+0:02
21M
21.00 mi14:55:193:38:5310:2511:36
11:36
+0:40
35K
21.75 mi15:03:203:46:5410:268:01
10:43
-0:53
23M
23.00 mi15:17:174:00:5110:2813:57
11:08
+0:25
24M
24.00 mi15:28:124:11:4610:2910:55
10:55
-0:13
40K
24.85 mi15:37:494:21:2310:319:37
11:15
+0:20
25.2M
25.20 mi15:42:014:25:3510:324:12
12:11
+0:56
Finish
26.22 mi15:52:574:36:3110:3310:56
10:44
-1:27

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

10:02 /mi

Average Pace

10:33 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:32

48% of race

Time at Steady Pace

1:44:37

38% of race

Time at Slower Pace

39:22

14% of race

Average Pace: 10:33 /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 mi11:47:4631:2010:0531:20
10:05
#23650
10K
6.21 mi12:19:011:02:3510:0431:15
10:04
#23791
15K
9.32 mi12:50:121:33:4610:0431:11
10:02
#23729
20K
12.43 mi13:21:542:05:2810:0631:42
10:12
#23631
Half
13.11 mi13:28:582:12:3210:077:04
10:21
#23650
25K
15.53 mi13:54:582:38:3210:1226:00
10:43
#23617
30K
18.64 mi14:28:513:12:2510:1933:53
10:54
#23488
20M
20.00 mi14:43:433:27:1710:2214:52
10:56
#23415
21M
21.00 mi14:55:193:38:5310:2511:36
11:36
#23349
35K
21.75 mi15:03:203:46:5410:268:01
10:43
#23317
23M
23.00 mi15:17:174:00:5110:2813:57
11:08
#23268
24M
24.00 mi15:28:124:11:4610:2910:55
10:55
#23269
40K
24.85 mi15:37:494:21:2310:319:37
11:15
#23259
25.2M
25.20 mi15:42:014:25:3510:324:12
12:11
#23244
Finish
26.22 mi15:52:574:36:3110:3310:56
10:44
#23255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi236509727972723567(Top 89%)9645(Top 84%)9645(Top 197%)
10K6.21 mi3.10 mi23791-1419781-549781-5423817(Top 89%)9793(Top 86%)9793(Top 201%)
15K9.32 mi3.11 mi23729+629742+399742+3923567(Top 89%)9645(Top 84%)9645(Top 197%)
20K12.43 mi3.11 mi23631+989682+609682+6023300(Top 88%)9514(Top 83%)9514(Top 195%)
Half13.11 mi0.68 mi23650-199696-149696-1423939(Top 90%)9875(Top 86%)9875(Top 202%)
25K15.53 mi2.42 mi23617+339684+129684+1223551(Top 88%)9703(Top 85%)9703(Top 199%)
30K18.64 mi3.11 mi23488+1299637+479637+4722953(Top 86%)9440(Top 83%)9440(Top 193%)
20M20.00 mi1.36 mi23415+739614+239614+2322609(Top 85%)9307(Top 81%)9307(Top 191%)
21M21.00 mi1.00 mi23349+669585+299585+2922066(Top 83%)9034(Top 79%)9034(Top 185%)
35K21.75 mi0.75 mi23317+329574+119574+1122781(Top 86%)9473(Top 83%)9473(Top 194%)
23M23.00 mi1.25 mi23268+499561+139561+1322631(Top 85%)9395(Top 82%)9395(Top 192%)
24M24.00 mi1.00 mi23269-19563-29563-222896(Top 86%)9579(Top 84%)9579(Top 196%)
40K24.85 mi0.85 mi23259+109568-59568-522820(Top 86%)9569(Top 84%)9569(Top 196%)
25.2M25.20 mi0.35 mi23244+159568956822827(Top 86%)9565(Top 84%)9565(Top 196%)
Finish26.22 mi1.02 mi23255-119583-159583-1523467(Top 88%)9891(Top 87%)9891(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23567

Females

9645

F18-39

9645

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23817

Females

9793

F18-39

9793

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23567

Females

9645

F18-39

9645

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23300

Females

9514

F18-39

9514

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

23939

Females

9875

F18-39

9875

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23551

Females

9703

F18-39

9703

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22953

Females

9440

F18-39

9440

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22609

Females

9307

F18-39

9307

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22066

Females

9034

F18-39

9034

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22781

Females

9473

F18-39

9473

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22631

Females

9395

F18-39

9395

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22896

Females

9579

F18-39

9579

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22820

Females

9569

F18-39

9569

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22827

Females

9565

F18-39

9565

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23467

Females

9891

F18-39

9891

Passing Analysis

Category:
Athletes Passed
1149
Passed By
754
Net Change
+395
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23650
5K → 10K134275-141#23650#23791
10K → 15K15189+62#23791#23729
15K → 20K17274+98#23729#23631
20K → Half1231-19#23631#23650
Half → 25K9966+33#23650#23617
25K → 30K16738+129#23617#23488
30K → 20M9219+73#23488#23415
20M → 21M8418+66#23415#23349
21M → 35K4311+32#23349#23317
35K → 23M6920+49#23317#23268
23M → 24M2930-1#23268#23269
24M → 40K4333+10#23269#23259
40K → 25.2M3116+15#23259#23244
25.2M → Finish2334-11#23244#23255
TOTALS1149754+395
📊

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