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BOSTON MARATHON 2023

Julie Andersen

Bib: 27826 F DK

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
9:16/mi
28:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:55/mi
59:36
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:12/mi
1:31:17
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:57/mi
2:02:12
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:57/mi
2:08:59
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:23/mi
2:34:09
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:52/mi
3:07:55
↑ 181↓ 1480.2%
138 ft elev
20M
11:21/mi
3:23:21
↑ 64↓ 500.2%
148 ft elev
21M
11:58/mi
3:35:19
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:10/mi
3:43:40
↑ 17↓ 861.7%
156 ft elev
23M
11:24/mi
3:57:56
↑ 23↓ 630.6%
116 ft elev
24M
11:12/mi
4:09:08
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:27/mi
4:18:55
↓ 200.3%
20 ft elev
25.2M
12:46/mi
4:23:19
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:09/mi
4:34:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:59
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time2:25:42
Pace11:07 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0028:469:1628:46
9:16
-
10K
6.21 mi12:16:5059:369:3630:50
9:55
+0:39
15K
9.32 mi12:48:311:31:179:4831:41
10:12
+0:17
20K
12.43 mi13:19:262:02:129:5030:55
9:57
-0:15
Half
13.11 mi13:26:132:08:599:506:47
9:57
0:00
25K
15.53 mi13:51:232:34:099:5525:10
10:23
+0:26
30K
18.64 mi14:25:093:07:5510:0533:46
10:52
+0:29
20M
20.00 mi14:40:353:23:2110:1015:26
11:21
+0:29
21M
21.00 mi14:52:333:35:1910:1511:58
11:58
+0:37
35K
21.75 mi15:00:543:43:4010:178:21
11:10
-0:48
23M
23.00 mi15:15:103:57:5610:2114:16
11:24
+0:14
24M
24.00 mi15:26:224:09:0810:2311:12
11:12
-0:12
40K
24.85 mi15:36:094:18:5510:259:47
11:27
+0:15
25.2M
25.20 mi15:40:334:23:1910:274:24
12:46
+1:19
Finish
26.22 mi15:51:554:34:4110:2911:22
11:09
-1:37

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

9:16 /mi

Average Pace

10:29 /mi

Slowest Pace

12:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:09

56% of race

Time at Steady Pace

1:44:10

38% of race

Time at Slower Pace

16:22

6% of race

Average Pace: 10:29 /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 mi11:46:0028:469:1628:46
9:16
#21416
10K
6.21 mi12:16:5059:369:3630:50
9:55
#22586
15K
9.32 mi12:48:311:31:179:4831:41
10:12
#23138
20K
12.43 mi13:19:262:02:129:5030:55
9:57
#23013
Half
13.11 mi13:26:132:08:599:506:47
9:57
#23031
25K
15.53 mi13:51:232:34:099:5525:10
10:23
#23007
30K
18.64 mi14:25:093:07:5510:0533:46
10:52
#22991
20M
20.00 mi14:40:353:23:2110:1015:26
11:21
#23014
21M
21.00 mi14:52:333:35:1910:1511:58
11:58
#22994
35K
21.75 mi15:00:543:43:4010:178:21
11:10
#23022
23M
23.00 mi15:15:103:57:5610:2114:16
11:24
#23015
24M
24.00 mi15:26:224:09:0810:2311:12
11:12
#23031
40K
24.85 mi15:36:094:18:5510:259:47
11:27
#23025
25.2M
25.20 mi15:40:334:23:1910:274:24
12:46
#23046
Finish
26.22 mi15:51:554:34:4110:2911:22
11:09
#23083
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi214168588858823872(Top 90%)9824(Top 86%)9824(Top 201%)
10K6.21 mi3.10 mi22586-11709142-5549142-55423547(Top 88%)9650(Top 84%)9650(Top 198%)
15K9.32 mi3.11 mi23138-5529422-2809422-28023872(Top 90%)9824(Top 86%)9824(Top 201%)
20K12.43 mi3.11 mi23013+1259355+679355+6722792(Top 86%)9242(Top 81%)9242(Top 189%)
Half13.11 mi0.68 mi23031-189363-89363-823177(Top 87%)9456(Top 83%)9456(Top 194%)
25K15.53 mi2.42 mi23007+249364-19364-122980(Top 86%)9380(Top 82%)9380(Top 192%)
30K18.64 mi3.11 mi22991+169377-139377-1322905(Top 86%)9410(Top 82%)9410(Top 193%)
20M20.00 mi1.36 mi23014-239404-279404-2723285(Top 87%)9670(Top 85%)9670(Top 198%)
21M21.00 mi1.00 mi22994+209404940422711(Top 85%)9396(Top 82%)9396(Top 192%)
35K21.75 mi0.75 mi23022-289424-209424-2023593(Top 89%)9932(Top 87%)9932(Top 203%)
23M23.00 mi1.25 mi23015+79434-109434-1023068(Top 87%)9623(Top 84%)9623(Top 197%)
24M24.00 mi1.00 mi23031-169455-219455-2123411(Top 88%)9851(Top 86%)9851(Top 202%)
40K24.85 mi0.85 mi23025+69459-49459-423126(Top 87%)9727(Top 85%)9727(Top 199%)
25.2M25.20 mi0.35 mi23046-219465-69465-623675(Top 89%)10021(Top 88%)10021(Top 205%)
Finish26.22 mi1.02 mi23083-379487-229487-2224236(Top 91%)10270(Top 90%)10270(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23872

Females

9824

F18-39

9824

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23547

Females

9650

F18-39

9650

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23872

Females

9824

F18-39

9824

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22792

Females

9242

F18-39

9242

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23177

Females

9456

F18-39

9456

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22980

Females

9380

F18-39

9380

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22905

Females

9410

F18-39

9410

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23285

Females

9670

F18-39

9670

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22711

Females

9396

F18-39

9396

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23593

Females

9932

F18-39

9932

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23068

Females

9623

F18-39

9623

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23411

Females

9851

F18-39

9851

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23126

Females

9727

F18-39

9727

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23675

Females

10021

F18-39

10021

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24236

Females

10270

F18-39

10270

Passing Analysis

Category:
Athletes Passed
773
Passed By
2440
Net Change
-1667
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21416
5K → 10K141184-1170#21416#22586
10K → 15K28580-552#22586#23138
15K → 20K19469+125#23138#23013
20K → Half1735-18#23013#23031
Half → 25K10278+24#23031#23007
25K → 30K125109+16#23007#22991
30K → 20M5477-23#22991#23014
20M → 21M5535+20#23014#22994
21M → 35K2048-28#22994#23022
35K → 23M6053+7#23022#23015
23M → 24M3450-16#23015#23031
24M → 40K4236+6#23031#23025
40K → 25.2M425-21#23025#23046
25.2M → Finish2461-37#23046#23083
TOTALS7732440-1667
📊

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