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BOSTON MARATHON 2023

Rosanna Olsen

Bib: 11168•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Masters (Masters Women)
#0 / 6539
Top 4%
Division (F40-44)
#0 / 1878
Top 9%
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
7:05/mi
22:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:54/mi
43:26
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:04:57
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:27:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:02/mi
1:32:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:50:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:14:27
↑ 181↓ 1480.2%
20M
8:03/mi
2:25:24
↑ 64↓ 500.2%
21M
8:35/mi
2:33:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:39:32
↑ 17↓ 861.7%
23M
8:11/mi
2:49:47
↑ 23↓ 630.6%
24M
8:06/mi
2:57:53
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:05:34
↓ 200.3%
25.2M
9:25/mi
3:08:49
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:16:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:11
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:44:42
Pace7:59 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4122:007:0522:00
7:05
-
10K
6.21 mi11:10:0743:266:5921:26
6:54
-0:11
15K
9.32 mi11:31:381:04:576:5821:31
6:56
+0:02
20K
12.43 mi11:54:041:27:237:0222:26
7:13
+0:17
Half
13.11 mi11:58:521:32:117:024:48
7:02
-0:11
25K
15.53 mi12:17:061:50:257:0618:14
7:31
+0:29
30K
18.64 mi12:41:082:14:277:1324:02
7:44
+0:13
20M
20.00 mi12:52:052:25:247:1610:57
8:03
+0:19
21M
21.00 mi13:00:402:33:597:208:35
8:35
+0:32
35K
21.75 mi13:06:132:39:327:205:33
7:25
-1:10
23M
23.00 mi13:16:282:49:477:2310:15
8:11
+0:46
24M
24.00 mi13:24:342:57:537:258:06
8:06
-0:05
40K
24.85 mi13:32:153:05:347:287:41
8:59
+0:53
25.2M
25.20 mi13:35:303:08:497:303:15
9:25
+0:26
Finish
26.22 mi13:43:343:16:537:318:04
7:55
-1:30

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

6:54 /mi

Average Pace

7:31 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:11

47% of race

Time at Steady Pace

1:14:56

38% of race

Time at Slower Pace

29:46

15% of race

Average Pace: 7:31 /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 mi10:48:4122:007:0522:00
7:05
#6771
10K
6.21 mi11:10:0743:266:5921:26
6:54
#6452
15K
9.32 mi11:31:381:04:576:5821:31
6:56
#6313
20K
12.43 mi11:54:041:27:237:0222:26
7:13
#6525
Half
13.11 mi11:58:521:32:117:024:48
7:02
#6538
25K
15.53 mi12:17:061:50:257:0618:14
7:31
#6812
30K
18.64 mi12:41:082:14:277:1324:02
7:44
#7064
20M
20.00 mi12:52:052:25:247:1610:57
8:03
#7253
21M
21.00 mi13:00:402:33:597:208:35
8:35
#7412
35K
21.75 mi13:06:132:39:327:205:33
7:25
#7415
23M
23.00 mi13:16:282:49:477:2310:15
8:11
#7551
24M
24.00 mi13:24:342:57:537:258:06
8:06
#7718
40K
24.85 mi13:32:153:05:347:287:41
8:59
#8045
25.2M
25.20 mi13:35:303:08:497:303:15
9:25
#8168
Finish
26.22 mi13:43:343:16:537:318:04
7:55
#8265
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi67716646646129(Top 23%)566(Top 5%)566(Top 30%)
10K6.21 mi3.10 mi6452+319613+51613+516139(Top 23%)567(Top 5%)567(Top 30%)
15K9.32 mi3.11 mi6313+139587+26587+266129(Top 23%)566(Top 5%)566(Top 30%)
20K12.43 mi3.11 mi6525-212636-49636-497241(Top 27%)859(Top 8%)859(Top 46%)
Half13.11 mi0.68 mi6538-13639-3639-36836(Top 26%)733(Top 6%)733(Top 39%)
25K15.53 mi2.42 mi6812-274710-71710-718929(Top 34%)1529(Top 13%)1529(Top 81%)
30K18.64 mi3.11 mi7064-252795-85795-858909(Top 33%)1669(Top 15%)1669(Top 89%)
20M20.00 mi1.36 mi7253-189864-69864-6910709(Top 40%)2577(Top 23%)2577(Top 137%)
21M21.00 mi1.00 mi7412-159949-85949-8510969(Top 41%)2842(Top 25%)2842(Top 151%)
35K21.75 mi0.75 mi7415-3954-5954-57970(Top 30%)1477(Top 13%)1477(Top 79%)
23M23.00 mi1.25 mi7551-1361020-661020-6611105(Top 42%)3059(Top 27%)3059(Top 163%)
24M24.00 mi1.00 mi7718-1671104-841104-8411945(Top 45%)3546(Top 31%)3546(Top 189%)
40K24.85 mi0.85 mi8045-3271240-1361240-13616065(Top 60%)5885(Top 52%)5885(Top 313%)
25.2M25.20 mi0.35 mi8168-1231297-571297-5714823(Top 56%)5181(Top 45%)5181(Top 276%)
Finish26.22 mi1.02 mi8265-971359-621359-6211512(Top 43%)3442(Top 30%)3442(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6129

Females

566

F40-44

566

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6139

Females

567

F40-44

567

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6129

Females

566

F40-44

566

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7241

Females

859

F40-44

859

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6836

Females

733

F40-44

733

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8929

Females

1529

F40-44

1529

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8909

Females

1669

F40-44

1669

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10709

Females

2577

F40-44

2577

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10969

Females

2842

F40-44

2842

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7970

Females

1477

F40-44

1477

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11105

Females

3059

F40-44

3059

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11945

Females

3546

F40-44

3546

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16065

Females

5885

F40-44

5885

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14823

Females

5181

F40-44

5181

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11512

Females

3442

F40-44

3442

Passing Analysis

Category:
Athletes Passed
939
Passed By
2433
Net Change
-1494
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6771
5K → 10K39071+319#6771#6452
10K → 15K19253+139#6452#6313
15K → 20K47259-212#6313#6525
20K → Half1124-13#6525#6538
Half → 25K28302-274#6538#6812
25K → 30K57309-252#6812#7064
30K → 20M17206-189#7064#7253
20M → 21M29188-159#7253#7412
21M → 35K3841-3#7412#7415
35K → 23M48184-136#7415#7551
23M → 24M30197-167#7551#7718
24M → 40K11338-327#7718#8045
40K → 25.2M7130-123#8045#8168
25.2M → Finish34131-97#8168#8265
TOTALS9392433-1494
📊

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