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BOSTON MARATHON 2023

Stacy Braff

Bib: 24087•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:41
Rank: #21308
Start → 5K
28:41 | 9:14/mi
10K· 6.21 mi
57:14
Rank: #21439 (-131)
5K → 10K
28:33 | 9:11/mi
15K· 9.32 mi
1:25:46
Rank: #21373 (+66)
10K → 15K
28:32 | 9:11/mi
20K· 12.43 mi
1:54:36
Rank: #21253 (+120)
15K → 20K
28:50 | 9:17/mi
Half· 13.11 mi
2:00:55
Rank: #21259 (-6)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:23:35
Rank: #21097 (+162)
Half → 25K
22:40 | 9:21/mi
30K· 18.64 mi
2:53:49
Rank: #20915 (+182)
25K → 30K
30:14 | 9:44/mi
20M
3:07:03
Rank: #20797 (+118)
30K → 20M
13:14 | 9:44/mi
21M
3:17:24
Rank: #20681 (+116)
20M → 21M
10:21 | 10:21/mi
35K· 21.75 mi
3:24:21
Rank: #20621 (+60)
21M → 35K
6:57 | 9:17/mi
23M
3:36:27
Rank: #20500 (+121)
35K → 23M
12:06 | 9:40/mi
24M
3:45:49
Rank: #20422 (+78)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:54:02
Rank: #20354 (+68)
24M → 40K
8:13 | 9:37/mi
25.2M
3:57:41
Rank: #20329 (+25)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:07:33
Rank: #20340 (-11)
25.2M → Finish
9:52 | 9:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:55
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:06:38
Pace9:40 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1028:419:1428:41
9:14
-
10K
6.21 mi12:12:4357:149:1328:33
9:11
-0:03
15K
9.32 mi12:41:151:25:469:1228:32
9:11
0:00
20K
12.43 mi13:10:051:54:369:1328:50
9:17
+0:06
Half
13.11 mi13:16:242:00:559:136:19
9:16
-0:01
25K
15.53 mi13:39:042:23:359:1522:40
9:21
+0:05
30K
18.64 mi14:09:182:53:499:1930:14
9:44
+0:23
20M
20.00 mi14:22:323:07:039:2113:14
9:44
0:00
21M
21.00 mi14:32:533:17:249:2410:21
10:21
+0:37
35K
21.75 mi14:39:503:24:219:246:57
9:17
-1:04
23M
23.00 mi14:51:563:36:279:2512:06
9:40
+0:23
24M
24.00 mi15:01:183:45:499:259:22
9:22
-0:18
40K
24.85 mi15:09:313:54:029:258:13
9:37
+0:15
25.2M
25.20 mi15:13:103:57:419:263:39
10:35
+0:58
Finish
26.22 mi15:23:024:07:339:279:52
9:41
-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

9:11 /mi

Average Pace

9:27 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:53:33

94% of race

Time at Steady Pace

14:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:26 /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 mi11:44:1028:419:1428:41
9:14
#21308
10K
6.21 mi12:12:4357:149:1328:33
9:11
#21439
15K
9.32 mi12:41:151:25:469:1228:32
9:11
#21373
20K
12.43 mi13:10:051:54:369:1328:50
9:17
#21253
Half
13.11 mi13:16:242:00:559:136:19
9:16
#21259
25K
15.53 mi13:39:042:23:359:1522:40
9:21
#21097
30K
18.64 mi14:09:182:53:499:1930:14
9:44
#20915
20M
20.00 mi14:22:323:07:039:2113:14
9:44
#20797
21M
21.00 mi14:32:533:17:249:2410:21
10:21
#20681
35K
21.75 mi14:39:503:24:219:246:57
9:17
#20621
23M
23.00 mi14:51:563:36:279:2512:06
9:40
#20500
24M
24.00 mi15:01:183:45:499:259:22
9:22
#20422
40K
24.85 mi15:09:313:54:029:258:13
9:37
#20354
25.2M
25.20 mi15:13:103:57:419:263:39
10:35
#20329
Finish
26.22 mi15:23:024:07:339:279:52
9:41
#20340
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi213088529852921249(Top 80%)8370(Top 73%)8370(Top 1588%)
10K6.21 mi3.10 mi21439-1318551-228551-2221590(Top 81%)8595(Top 75%)8595(Top 1631%)
15K9.32 mi3.11 mi21373+668487+648487+6421249(Top 80%)8370(Top 73%)8370(Top 1588%)
20K12.43 mi3.11 mi21253+1208407+808407+8020907(Top 79%)8177(Top 72%)8177(Top 1552%)
Half13.11 mi0.68 mi21259-68406+18406+121363(Top 80%)8435(Top 74%)8435(Top 1601%)
25K15.53 mi2.42 mi21097+1628323+838323+8320357(Top 76%)7906(Top 69%)7906(Top 1500%)
30K18.64 mi3.11 mi20915+1828226+978226+9720238(Top 76%)7904(Top 69%)7904(Top 1500%)
20M20.00 mi1.36 mi20797+1188174+528174+5219683(Top 74%)7689(Top 67%)7689(Top 1459%)
21M21.00 mi1.00 mi20681+1168125+498125+4919167(Top 72%)7447(Top 65%)7447(Top 1413%)
35K21.75 mi0.75 mi20621+608102+238102+2319151(Top 72%)7481(Top 65%)7481(Top 1420%)
23M23.00 mi1.25 mi20500+1218053+498053+4918973(Top 71%)7395(Top 65%)7395(Top 1403%)
24M24.00 mi1.00 mi20422+788019+348019+3418738(Top 70%)7301(Top 64%)7301(Top 1385%)
40K24.85 mi0.85 mi20354+687987+327987+3218759(Top 70%)7368(Top 65%)7368(Top 1398%)
25.2M25.20 mi0.35 mi20329+257981+67981+619400(Top 73%)7734(Top 68%)7734(Top 1468%)
Finish26.22 mi1.02 mi20340-117992-117992-1120749(Top 78%)8434(Top 74%)8434(Top 1600%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21249

Females

8370

F60-64

8370

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21590

Females

8595

F60-64

8595

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21249

Females

8370

F60-64

8370

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20907

Females

8177

F60-64

8177

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21363

Females

8435

F60-64

8435

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20357

Females

7906

F60-64

7906

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20238

Females

7904

F60-64

7904

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19683

Females

7689

F60-64

7689

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19167

Females

7447

F60-64

7447

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19151

Females

7481

F60-64

7481

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18973

Females

7395

F60-64

7395

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18738

Females

7301

F60-64

7301

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18759

Females

7368

F60-64

7368

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19400

Females

7734

F60-64

7734

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20749

Females

8434

F60-64

8434

Passing Analysis

Category:
Athletes Passed
1792
Passed By
824
Net Change
+968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21308
5K → 10K212343-131#21308#21439
10K → 15K192126+66#21439#21373
15K → 20K20787+120#21373#21253
20K → Half1925-6#21253#21259
Half → 25K20442+162#21259#21097
25K → 30K24159+182#21097#20915
30K → 20M14527+118#20915#20797
20M → 21M13216+116#20797#20681
21M → 35K7212+60#20681#20621
35K → 23M1298+121#20621#20500
23M → 24M9012+78#20500#20422
24M → 40K7911+68#20422#20354
40K → 25.2M3510+25#20354#20329
25.2M → Finish3546-11#20329#20340
TOTALS1792824+968
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing