Boston Marathon logo
BOSTON MARATHON 2023

Alison Biggs

Bib: 23558•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 (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:55
Rank: #22467
Start → 5K
29:55 | 9:38/mi
10K· 6.21 mi
59:35
Rank: #22578 (-111)
5K → 10K
29:40 | 9:33/mi
15K· 9.32 mi
1:28:20
Rank: #22229 (+349)
10K → 15K
28:45 | 9:15/mi
20K· 12.43 mi
1:57:25
Rank: #21942 (+287)
15K → 20K
29:05 | 9:22/mi
Half· 13.11 mi
2:03:46
Rank: #21910 (+32)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:27:03
Rank: #21789 (+121)
Half → 25K
23:17 | 9:36/mi
30K· 18.64 mi
2:59:11
Rank: #21793 (-4)
25K → 30K
32:08 | 10:21/mi
20M
3:13:47
Rank: #21844 (-51)
30K → 20M
14:36 | 10:45/mi
21M
3:26:25
Rank: #22015 (-171)
20M → 21M
12:38 | 12:38/mi
35K· 21.75 mi
3:34:52
Rank: #22089 (-74)
21M → 35K
8:27 | 11:18/mi
23M
3:49:19
Rank: #22166 (-77)
35K → 23M
14:27 | 11:32/mi
24M
4:00:26
Rank: #22227 (-61)
23M → 24M
11:07 | 11:07/mi
40K· 24.85 mi
4:10:27
Rank: #22292 (-65)
24M → 40K
10:01 | 11:43/mi
25.2M
4:14:45
Rank: #22315 (-23)
40K → 25.2M
4:18 | 12:28/mi
Finish· 26.22 mi
4:27:21
Rank: #22506 (-191)
25.2M → Finish
12:36 | 12:22/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
Time2:03:46
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:23:35
Pace10:57 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1629:559:3829:55
9:38
-
10K
6.21 mi11:56:5659:359:3529:40
9:33
-0:05
15K
9.32 mi12:25:411:28:209:2928:45
9:15
-0:18
20K
12.43 mi12:54:461:57:259:2729:05
9:22
+0:07
Half
13.11 mi13:01:072:03:469:266:21
9:18
-0:04
25K
15.53 mi13:24:242:27:039:2823:17
9:36
+0:18
30K
18.64 mi13:56:322:59:119:3732:08
10:21
+0:45
20M
20.00 mi14:11:083:13:479:4114:36
10:45
+0:24
21M
21.00 mi14:23:463:26:259:5012:38
12:38
+1:53
35K
21.75 mi14:32:133:34:529:538:27
11:18
-1:20
23M
23.00 mi14:46:403:49:199:5814:27
11:32
+0:14
24M
24.00 mi14:57:474:00:2610:0111:07
11:07
-0:25
40K
24.85 mi15:07:484:10:2710:0510:01
11:43
+0:36
25.2M
25.20 mi15:12:064:14:4510:074:18
12:28
+0:45
Finish
26.22 mi15:24:424:27:2110:1212:36
12:22
-0:06

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

9:15 /mi

Average Pace

10:12 /mi

Slowest Pace

12:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:03

55% of race

Time at Steady Pace

1:06:18

25% of race

Time at Slower Pace

54:00

20% of race

Average Pace: 10:12 /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 mi11:27:1629:559:3829:55
9:38
#22467
10K
6.21 mi11:56:5659:359:3529:40
9:33
#22578
15K
9.32 mi12:25:411:28:209:2928:45
9:15
#22229
20K
12.43 mi12:54:461:57:259:2729:05
9:22
#21942
Half
13.11 mi13:01:072:03:469:266:21
9:18
#21910
25K
15.53 mi13:24:242:27:039:2823:17
9:36
#21789
30K
18.64 mi13:56:322:59:119:3732:08
10:21
#21793
20M
20.00 mi14:11:083:13:479:4114:36
10:45
#21844
21M
21.00 mi14:23:463:26:259:5012:38
12:38
#22015
35K
21.75 mi14:32:133:34:529:538:27
11:18
#22089
23M
23.00 mi14:46:403:49:199:5814:27
11:32
#22166
24M
24.00 mi14:57:474:00:2610:0111:07
11:07
#22227
40K
24.85 mi15:07:484:10:2710:0510:01
11:43
#22292
25.2M
25.20 mi15:12:064:14:4510:074:18
12:28
#22315
Finish
26.22 mi15:24:424:27:2110:1212:36
12:22
#22506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi224679118911821499(Top 81%)8499(Top 74%)8499(Top 1613%)
10K6.21 mi3.10 mi22578-1119136-189136-1822651(Top 85%)9172(Top 80%)9172(Top 1740%)
15K9.32 mi3.11 mi22229+3498952+1848952+18421499(Top 81%)8499(Top 74%)8499(Top 1613%)
20K12.43 mi3.11 mi21942+2878803+1498803+14921136(Top 79%)8313(Top 73%)8313(Top 1577%)
Half13.11 mi0.68 mi21910+328783+208783+2021584(Top 81%)8570(Top 75%)8570(Top 1626%)
25K15.53 mi2.42 mi21789+1218703+808703+8021150(Top 79%)8352(Top 73%)8352(Top 1585%)
30K18.64 mi3.11 mi21793-48718-158718-1521879(Top 82%)8837(Top 77%)8837(Top 1677%)
20M20.00 mi1.36 mi21844-518757-398757-3922253(Top 84%)9118(Top 80%)9118(Top 1730%)
21M21.00 mi1.00 mi22015-1718863-1068863-10623634(Top 89%)9880(Top 86%)9880(Top 1875%)
35K21.75 mi0.75 mi22089-748916-538916-5323799(Top 89%)10037(Top 88%)10037(Top 1905%)
23M23.00 mi1.25 mi22166-778969-538969-5323329(Top 88%)9763(Top 85%)9763(Top 1853%)
24M24.00 mi1.00 mi22227-619005-369005-3623269(Top 87%)9781(Top 86%)9781(Top 1856%)
40K24.85 mi0.85 mi22292-659051-469051-4623530(Top 88%)9957(Top 87%)9957(Top 1889%)
25.2M25.20 mi0.35 mi22315-239065-149065-1423244(Top 87%)9790(Top 86%)9790(Top 1858%)
Finish26.22 mi1.02 mi22506-1919186-1219186-12125578(Top 96%)10960(Top 96%)10960(Top 2080%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21499

Females

8499

F60-64

8499

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22651

Females

9172

F60-64

9172

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21499

Females

8499

F60-64

8499

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21136

Females

8313

F60-64

8313

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21584

Females

8570

F60-64

8570

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21150

Females

8352

F60-64

8352

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21879

Females

8837

F60-64

8837

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22253

Females

9118

F60-64

9118

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23634

Females

9880

F60-64

9880

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23799

Females

10037

F60-64

10037

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23329

Females

9763

F60-64

9763

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23269

Females

9781

F60-64

9781

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23530

Females

9957

F60-64

9957

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23244

Females

9790

F60-64

9790

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

25578

Females

10960

F60-64

10960

Passing Analysis

Category:
Athletes Passed
1408
Passed By
1447
Net Change
-39
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22467
5K → 10K188299-111#22467#22578
10K → 15K37728+349#22578#22229
15K → 20K31427+287#22229#21942
20K → Half4210+32#21942#21910
Half → 25K16847+121#21910#21789
25K → 30K147151-4#21789#21793
30K → 20M53104-51#21793#21844
20M → 21M22193-171#21844#22015
21M → 35K1084-74#22015#22089
35K → 23M26103-77#22089#22166
23M → 24M2283-61#22166#22227
24M → 40K1984-65#22227#22292
40K → 25.2M1437-23#22292#22315
25.2M → Finish6197-191#22315#22506
TOTALS14081447-39
📊

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