Boston Marathon logo
BOSTON MARATHON 2023

Florence Clautier-Shank

CA

Bib: 24354 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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:34/mi
29:42
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:31/mi
59:16
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:52/mi
1:29:56
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:29/mi
2:02:30
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:23/mi
2:09:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:19/mi
2:37:02
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:08/mi
3:14:45
↑ 181↓ 1480.2%
138 ft elev
20M
12:34/mi
3:31:49
↑ 64↓ 500.2%
148 ft elev
21M
13:30/mi
3:45:19
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:00/mi
3:53:33
↑ 17↓ 861.7%
156 ft elev
23M
11:40/mi
4:08:09
↑ 23↓ 630.6%
116 ft elev
24M
10:40/mi
4:18:49
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:55/mi
4:29:00
↓ 200.3%
20 ft elev
25.2M
12:37/mi
4:33:21
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:15/mi
4:43:48
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:35
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:34:13
Pace11:46 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5729:429:3429:42
9:34
-
10K
6.21 mi12:14:3159:169:3229:34
9:31
-0:03
15K
9.32 mi12:45:111:29:569:3930:40
9:52
+0:21
20K
12.43 mi13:17:452:02:309:5132:34
10:29
+0:37
Half
13.11 mi13:24:502:09:359:537:05
10:23
-0:06
25K
15.53 mi13:52:172:37:0210:0727:27
11:19
+0:56
30K
18.64 mi14:30:003:14:4510:2737:43
12:08
+0:49
20M
20.00 mi14:47:043:31:4910:3517:04
12:34
+0:26
21M
21.00 mi15:00:343:45:1910:4413:30
13:30
+0:56
35K
21.75 mi15:08:483:53:3310:448:14
11:00
-2:30
23M
23.00 mi15:23:244:08:0910:4714:36
11:40
+0:40
24M
24.00 mi15:34:044:18:4910:4710:40
10:40
-1:00
40K
24.85 mi15:44:154:29:0010:4910:11
11:55
+1:15
25.2M
25.20 mi15:48:364:33:2110:514:21
12:37
+0:42
Finish
26.22 mi15:59:034:43:4810:5010:27
10:15
-2:22

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

9:31 /mi

Average Pace

10:50 /mi

Slowest Pace

13:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:28

38% of race

Time at Steady Pace

1:18:55

28% of race

Time at Slower Pace

1:37:25

34% of race

Average Pace: 10:49 /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 mi11:44:5729:429:3429:42
9:34
#22275
10K
6.21 mi12:14:3159:169:3229:34
9:31
#22433
15K
9.32 mi12:45:111:29:569:3930:40
9:52
#22728
20K
12.43 mi13:17:452:02:309:5132:34
10:29
#23096
Half
13.11 mi13:24:502:09:359:537:05
10:23
#23144
25K
15.53 mi13:52:172:37:0210:0727:27
11:19
#23444
30K
18.64 mi14:30:003:14:4510:2737:43
12:08
#23700
20M
20.00 mi14:47:043:31:4910:3517:04
12:34
#23845
21M
21.00 mi15:00:343:45:1910:4413:30
13:30
#23912
35K
21.75 mi15:08:483:53:3310:448:14
11:00
#23898
23M
23.00 mi15:23:244:08:0910:4714:36
11:40
#23901
24M
24.00 mi15:34:044:18:4910:4710:40
10:40
#23833
40K
24.85 mi15:44:154:29:0010:4910:11
11:55
#23841
25.2M
25.20 mi15:48:364:33:2110:514:21
12:37
#23836
Finish
26.22 mi15:59:034:43:4810:5010:27
10:15
#23801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi222759017901723244(Top 87%)9470(Top 83%)9470(Top 1797%)
10K6.21 mi3.10 mi22433-1589069-529069-5222568(Top 85%)9124(Top 80%)9124(Top 1731%)
15K9.32 mi3.11 mi22728-2959199-1309199-13023244(Top 87%)9470(Top 83%)9470(Top 1797%)
20K12.43 mi3.11 mi23096-3689399-2009399-20023803(Top 89%)9801(Top 86%)9801(Top 1860%)
Half13.11 mi0.68 mi23144-489425-269425-2623997(Top 90%)9909(Top 87%)9909(Top 1880%)
25K15.53 mi2.42 mi23444-3009594-1699594-16924440(Top 92%)10197(Top 89%)10197(Top 1935%)
30K18.64 mi3.11 mi23700-2569750-1569750-15624645(Top 93%)10367(Top 91%)10367(Top 1967%)
20M20.00 mi1.36 mi23845-1459840-909840-9024806(Top 93%)10505(Top 92%)10505(Top 1993%)
21M21.00 mi1.00 mi23912-679890-509890-5024585(Top 92%)10388(Top 91%)10388(Top 1971%)
35K21.75 mi0.75 mi23898+149891-19891-123327(Top 88%)9778(Top 86%)9778(Top 1855%)
23M23.00 mi1.25 mi23901-39899-89899-823521(Top 88%)9862(Top 86%)9862(Top 1871%)
24M24.00 mi1.00 mi23833+689870+299870+2922395(Top 84%)9314(Top 82%)9314(Top 1767%)
40K24.85 mi0.85 mi23841-89881-119881-1123784(Top 89%)10076(Top 88%)10076(Top 1912%)
25.2M25.20 mi0.35 mi23836+59880+19880+123475(Top 88%)9915(Top 87%)9915(Top 1881%)
Finish26.22 mi1.02 mi23801+359868+129868+1222443(Top 84%)9357(Top 82%)9357(Top 1776%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23244

Females

9470

F60-64

9470

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22568

Females

9124

F60-64

9124

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23244

Females

9470

F60-64

9470

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23803

Females

9801

F60-64

9801

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23997

Females

9909

F60-64

9909

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24440

Females

10197

F60-64

10197

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

24645

Females

10367

F60-64

10367

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24806

Females

10505

F60-64

10505

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24585

Females

10388

F60-64

10388

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23327

Females

9778

F60-64

9778

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23521

Females

9862

F60-64

9862

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22395

Females

9314

F60-64

9314

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23784

Females

10076

F60-64

10076

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23475

Females

9915

F60-64

9915

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22443

Females

9357

F60-64

9357

Passing Analysis

Category:
Athletes Passed
616
Passed By
2142
Net Change
-1526
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22275
5K → 10K170328-158#22275#22433
10K → 15K66361-295#22433#22728
15K → 20K48416-368#22728#23096
20K → Half856-48#23096#23144
Half → 25K24324-300#23144#23444
25K → 30K32288-256#23444#23700
30K → 20M22167-145#23700#23845
20M → 21M2592-67#23845#23912
21M → 35K3016+14#23912#23898
35K → 23M4144-3#23898#23901
23M → 24M724+68#23901#23833
24M → 40K2432-8#23833#23841
40K → 25.2M138+5#23841#23836
25.2M → Finish416+35#23836#23801
TOTALS6162142-1526
📊

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