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BOSTON MARATHON 2023

Stephanie Stacey

Bib: 17822•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 20%
Division (F40-44)
#0 / 1878
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:01
Rank: #8901
Start → 5K
23:01 | 7:25/mi
10K· 6.21 mi
46:41
Rank: #10172 (-1271)
5K → 10K
23:40 | 7:37/mi
15K· 9.32 mi
1:11:29
Rank: #11534 (-1362)
10K → 15K
24:48 | 7:59/mi
20K· 12.43 mi
1:36:32
Rank: #12109 (-575)
15K → 20K
25:03 | 8:04/mi
Half· 13.11 mi
1:42:01
Rank: #12251 (-142)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:02:14
Rank: #12774 (-523)
Half → 25K
20:13 | 8:20/mi
30K· 18.64 mi
2:28:51
Rank: #13180 (-406)
25K → 30K
26:37 | 8:34/mi
20M
2:40:34
Rank: #13271 (-91)
30K → 20M
11:43 | 8:37/mi
21M
2:49:37
Rank: #13277 (-6)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
2:55:31
Rank: #13177 (+100)
21M → 35K
5:54 | 7:53/mi
23M
3:06:13
Rank: #13169 (+8)
35K → 23M
10:42 | 8:33/mi
24M
3:14:35
Rank: #13177 (-8)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:21:54
Rank: #13188 (-11)
24M → 40K
7:19 | 8:33/mi
25.2M
3:25:04
Rank: #13164 (+24)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:33:32
Rank: #13191 (-27)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:01
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:51:31
Pace8:30 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:0023:017:2523:01
7:25
-
10K
6.21 mi12:02:4046:417:3123:40
7:37
+0:12
15K
9.32 mi12:27:281:11:297:4024:48
7:59
+0:22
20K
12.43 mi12:52:311:36:327:4625:03
8:04
+0:05
Half
13.11 mi12:58:001:42:017:475:29
8:02
-0:02
25K
15.53 mi13:18:132:02:147:5220:13
8:20
+0:18
30K
18.64 mi13:44:502:28:517:5926:37
8:34
+0:14
20M
20.00 mi13:56:332:40:348:0211:43
8:37
+0:03
21M
21.00 mi14:05:362:49:378:059:03
9:03
+0:26
35K
21.75 mi14:11:302:55:318:045:54
7:53
-1:10
23M
23.00 mi14:22:123:06:138:0610:42
8:33
+0:40
24M
24.00 mi14:30:343:14:358:068:22
8:22
-0:11
40K
24.85 mi14:37:533:21:548:077:19
8:33
+0:11
25.2M
25.20 mi14:41:033:25:048:083:10
9:11
+0:38
Finish
26.22 mi14:49:313:33:328:098:28
8:19
-0:52

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

7:25 /mi

Average Pace

8:09 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:55

51% of race

Time at Steady Pace

1:21:41

38% of race

Time at Slower Pace

23:56

11% of race

Average Pace: 8:09 /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 mi11:39:0023:017:2523:01
7:25
#8901
10K
6.21 mi12:02:4046:417:3123:40
7:37
#10172
15K
9.32 mi12:27:281:11:297:4024:48
7:59
#11534
20K
12.43 mi12:52:311:36:327:4625:03
8:04
#12109
Half
13.11 mi12:58:001:42:017:475:29
8:02
#12251
25K
15.53 mi13:18:132:02:147:5220:13
8:20
#12774
30K
18.64 mi13:44:502:28:517:5926:37
8:34
#13180
20M
20.00 mi13:56:332:40:348:0211:43
8:37
#13271
21M
21.00 mi14:05:362:49:378:059:03
9:03
#13277
35K
21.75 mi14:11:302:55:318:045:54
7:53
#13177
23M
23.00 mi14:22:123:06:138:0610:42
8:33
#13169
24M
24.00 mi14:30:343:14:358:068:22
8:22
#13177
40K
24.85 mi14:37:533:21:548:077:19
8:33
#13188
25.2M
25.20 mi14:41:033:25:048:083:10
9:11
#13164
Finish
26.22 mi14:49:313:33:328:098:28
8:19
#13191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi89011364136414244(Top 54%)4224(Top 37%)4224(Top 225%)
10K6.21 mi3.10 mi10172-12711917-5531917-55311505(Top 43%)2607(Top 23%)2607(Top 139%)
15K9.32 mi3.11 mi11534-13622625-7082625-70814244(Top 54%)4224(Top 37%)4224(Top 225%)
20K12.43 mi3.11 mi12109-5752982-3572982-35713953(Top 52%)4080(Top 36%)4080(Top 217%)
Half13.11 mi0.68 mi12251-1423067-853067-8514682(Top 55%)4478(Top 39%)4478(Top 238%)
25K15.53 mi2.42 mi12774-5233382-3153382-31515187(Top 57%)4951(Top 43%)4951(Top 264%)
30K18.64 mi3.11 mi13180-4063656-2743656-27414724(Top 55%)4762(Top 42%)4762(Top 254%)
20M20.00 mi1.36 mi13271-913717-613717-6114411(Top 54%)4645(Top 41%)4645(Top 247%)
21M21.00 mi1.00 mi13277-63739-223739-2213697(Top 51%)4321(Top 38%)4321(Top 230%)
35K21.75 mi0.75 mi13177+1003696+433696+4311362(Top 43%)3069(Top 27%)3069(Top 163%)
23M23.00 mi1.25 mi13169+83715-193715-1913513(Top 51%)4344(Top 38%)4344(Top 231%)
24M24.00 mi1.00 mi13177-83755-403755-4013653(Top 51%)4472(Top 39%)4472(Top 238%)
40K24.85 mi0.85 mi13188-113774-193774-1913713(Top 52%)4580(Top 40%)4580(Top 244%)
25.2M25.20 mi0.35 mi13164+243776-23776-213584(Top 51%)4521(Top 40%)4521(Top 241%)
Finish26.22 mi1.02 mi13191-273810-343810-3414171(Top 53%)4832(Top 42%)4832(Top 257%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14244

Females

4224

F40-44

4224

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11505

Females

2607

F40-44

2607

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14244

Females

4224

F40-44

4224

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13953

Females

4080

F40-44

4080

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14682

Females

4478

F40-44

4478

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15187

Females

4951

F40-44

4951

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14724

Females

4762

F40-44

4762

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14411

Females

4645

F40-44

4645

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13697

Females

4321

F40-44

4321

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11362

Females

3069

F40-44

3069

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13513

Females

4344

F40-44

4344

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13653

Females

4472

F40-44

4472

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13713

Females

4580

F40-44

4580

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13584

Females

4521

F40-44

4521

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14171

Females

4832

F40-44

4832

Passing Analysis

Category:
Athletes Passed
794
Passed By
5083
Net Change
-4290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8901
5K → 10K351305-1271#8901#10172
10K → 15K121374-1362#10172#11534
15K → 20K48623-575#11534#12109
20K → Half2144-142#12109#12251
Half → 25K36559-523#12251#12774
25K → 30K91497-406#12774#13180
30K → 20M64155-91#13180#13271
20M → 21M8389-6#13271#13277
21M → 35K11111+100#13277#13177
35K → 23M9082+8#13177#13169
23M → 24M7179-8#13169#13177
24M → 40K5263-11#13177#13188
40K → 25.2M4925+24#13188#13164
25.2M → Finish5077-27#13164#13191
TOTALS7945083-4290
📊

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