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BOSTON MARATHON 2023

Kristina Stratton

Bib: 18954•F

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 37%
Division (F45-49)
#0 / 1817
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:53/mi
24:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
49:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:20/mi
1:15:39
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:41:49
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:47:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:37/mi
2:08:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:36:01
↑ 181↓ 1480.2%
20M
9:02/mi
2:48:17
↑ 64↓ 500.2%
21M
9:40/mi
2:57:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
3:04:22
↑ 17↓ 861.7%
23M
8:54/mi
3:15:30
↑ 23↓ 630.6%
24M
8:40/mi
3:24:10
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:31:49
↓ 200.3%
25.2M
9:37/mi
3:35:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:44:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:34
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:56:28
Pace8:53 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4424:317:5324:31
7:53
-
10K
6.21 mi11:41:0049:478:0125:16
8:08
+0:15
15K
9.32 mi12:06:521:15:398:0725:52
8:20
+0:12
20K
12.43 mi12:33:021:41:498:1226:10
8:25
+0:05
Half
13.11 mi12:38:471:47:348:125:45
8:26
+0:01
25K
15.53 mi12:59:412:08:288:1620:54
8:37
+0:11
30K
18.64 mi13:27:142:36:018:2227:33
8:52
+0:15
20M
20.00 mi13:39:302:48:178:2512:16
9:02
+0:10
21M
21.00 mi13:49:102:57:578:289:40
9:40
+0:38
35K
21.75 mi13:55:353:04:228:296:25
8:35
-1:05
23M
23.00 mi14:06:433:15:308:3011:08
8:54
+0:19
24M
24.00 mi14:15:233:24:108:308:40
8:40
-0:14
40K
24.85 mi14:23:023:31:498:317:39
8:57
+0:17
25.2M
25.20 mi14:26:213:35:088:323:19
9:37
+0:40
Finish
26.22 mi14:35:153:44:028:338:54
8:44
-0:53

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

7:53 /mi

Average Pace

8:33 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:49

45% of race

Time at Steady Pace

1:29:19

40% of race

Time at Slower Pace

32:54

15% of race

Average Pace: 8:33 /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 mi11:15:4424:317:5324:31
7:53
#13187
10K
6.21 mi11:41:0049:478:0125:16
8:08
#14481
15K
9.32 mi12:06:521:15:398:0725:52
8:20
#15235
20K
12.43 mi12:33:021:41:498:1226:10
8:25
#15532
Half
13.11 mi12:38:471:47:348:125:45
8:26
#15632
25K
15.53 mi12:59:412:08:288:1620:54
8:37
#15824
30K
18.64 mi13:27:142:36:018:2227:33
8:52
#15935
20M
20.00 mi13:39:302:48:178:2512:16
9:02
#16000
21M
21.00 mi13:49:102:57:578:289:40
9:40
#16019
35K
21.75 mi13:55:353:04:228:296:25
8:35
#15996
23M
23.00 mi14:06:433:15:308:3011:08
8:54
#15957
24M
24.00 mi14:15:233:24:108:308:40
8:40
#15929
40K
24.85 mi14:23:023:31:498:317:39
8:57
#15912
25.2M
25.20 mi14:26:213:35:088:323:19
9:37
#15901
Finish
26.22 mi14:35:153:44:028:338:54
8:44
#15935
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi131873551355116705(Top 63%)5733(Top 50%)5733(Top 316%)
10K6.21 mi3.10 mi14481-12944331-7804331-78015774(Top 59%)5129(Top 45%)5129(Top 282%)
15K9.32 mi3.11 mi15235-7544809-4784809-47816705(Top 63%)5733(Top 50%)5733(Top 316%)
20K12.43 mi3.11 mi15532-2975011-2025011-20216384(Top 62%)5579(Top 49%)5579(Top 307%)
Half13.11 mi0.68 mi15632-1005079-685079-6817313(Top 65%)6059(Top 53%)6059(Top 333%)
25K15.53 mi2.42 mi15824-1925228-1495228-14916919(Top 64%)5959(Top 52%)5959(Top 328%)
30K18.64 mi3.11 mi15935-1115333-1055333-10516470(Top 62%)5768(Top 50%)5768(Top 317%)
20M20.00 mi1.36 mi16000-655391-585391-5816692(Top 63%)5965(Top 52%)5965(Top 328%)
21M21.00 mi1.00 mi16019-195427-365427-3616720(Top 63%)6023(Top 53%)6023(Top 331%)
35K21.75 mi0.75 mi15996+235433-65433-615758(Top 59%)5553(Top 49%)5553(Top 306%)
23M23.00 mi1.25 mi15957+395436-35436-315519(Top 58%)5464(Top 48%)5464(Top 301%)
24M24.00 mi1.00 mi15929+285432+45432+415485(Top 58%)5525(Top 48%)5525(Top 304%)
40K24.85 mi0.85 mi15912+175430+25430+215888(Top 60%)5786(Top 51%)5786(Top 318%)
25.2M25.20 mi0.35 mi15901+115427+35427+315782(Top 59%)5738(Top 50%)5738(Top 316%)
Finish26.22 mi1.02 mi15935-345451-245451-2416682(Top 63%)6195(Top 54%)6195(Top 341%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16705

Females

5733

F45-49

5733

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15774

Females

5129

F45-49

5129

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16705

Females

5733

F45-49

5733

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16384

Females

5579

F45-49

5579

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17313

Females

6059

F45-49

6059

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16919

Females

5959

F45-49

5959

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16470

Females

5768

F45-49

5768

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16692

Females

5965

F45-49

5965

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16720

Females

6023

F45-49

6023

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15758

Females

5553

F45-49

5553

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15519

Females

5464

F45-49

5464

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15485

Females

5525

F45-49

5525

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15888

Females

5786

F45-49

5786

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15782

Females

5738

F45-49

5738

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16682

Females

6195

F45-49

6195

Passing Analysis

Category:
Athletes Passed
922
Passed By
3670
Net Change
-2748
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13187
5K → 10K281322-1294#13187#14481
10K → 15K28782-754#14481#15235
15K → 20K88385-297#15235#15532
20K → Half10110-100#15532#15632
Half → 25K85277-192#15632#15824
25K → 30K144255-111#15824#15935
30K → 20M68133-65#15935#16000
20M → 21M7796-19#16000#16019
21M → 35K6340+23#16019#15996
35K → 23M10465+39#15996#15957
23M → 24M8456+28#15957#15929
24M → 40K6447+17#15929#15912
40K → 25.2M3221+11#15912#15901
25.2M → Finish4781-34#15901#15935
TOTALS9223670-2748
📊

Passing Visuals

Category:
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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