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BOSTON MARATHON 2023

Mary Soderberg

FL

Bib: 15160 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 41%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
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
7:47/mi
24:10
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:55/mi
48:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:53/mi
1:13:14
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:02/mi
1:38:10
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:39/mi
1:43:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:49/mi
2:02:21
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:01/mi
2:27:16
↑ 181↓ 1480.2%
138 ft elev
20M
8:03/mi
2:38:12
↑ 64↓ 500.2%
148 ft elev
21M
8:20/mi
2:46:32
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:53/mi
2:52:26
↑ 17↓ 861.7%
156 ft elev
23M
7:44/mi
3:02:07
↑ 23↓ 630.6%
116 ft elev
24M
7:29/mi
3:09:36
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:34/mi
3:16:04
↓ 200.3%
20 ft elev
25.2M
7:53/mi
3:18:47
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:17/mi
3:26:12
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:43:237:53 /mi⚖️ balanced
2nd Half
1:42:497:51 /mi⚖️ balanced
Even split — consistent pacing between halves
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:107:473.11 mi24:10
7:47
-
10K
48:467:513.10 mi24:36
7:55
+0:08
15K
1:13:147:513.11 mi24:28
7:53
-0:02
20K
1:38:107:543.11 mi24:56
8:02
+0:09
Half(13.11 mi)
1:43:237:530.68 mi5:13
7:39
-0:23
25K
2:02:217:532.42 mi18:58
7:49
+0:10
30K
2:27:167:543.11 mi24:55
8:01
+0:12
20M
2:38:127:551.36 mi10:56
8:03
+0:02
21M
2:46:327:561.00 mi8:20
8:20
+0:17
35K
2:52:267:560.75 mi5:54
7:53
-0:27
23M
3:02:077:551.25 mi9:41
7:44
-0:09
24M
3:09:367:541.00 mi7:29
7:29
-0:15
40K
3:16:047:530.85 mi6:28
7:34
+0:05
25.2M
3:18:477:530.35 mi2:43
7:53
+0:19
Finish(26.22 mi)
3:26:127:521.02 mi7:25
7:17
-0:36
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:17 /mi

Average Pace

7:52 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:17:05

66% of race

Time at Steady Pace

1:09:07

34% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi12171296129611330236633663
10K3.10 mi13175-10043552-5913552-5911412641224122
15K3.11 mi13201-263577-253577-251330236633663
20K3.11 mi13312-1113667-903667-901365239023902
Half(13.11 mi)0.68 mi13200+1123605+623605+621146526062606
25K2.42 mi12826+3743413+1923413+1921130426602660
30K3.11 mi12458+3683230+1833230+1831107326772677
20M1.36 mi12294+1643155+753155+751061525412541
21M1.00 mi12096+1983065+903065+90945921332133
35K0.75 mi12058+383061+43061+41132130283028
23M1.25 mi11801+2572934+1272934+127799315901590
24M1.00 mi11586+2152837+972837+97763515401540
40K0.85 mi11382+2042749+882749+88715514421442
25.2M0.35 mi11256+1262697+522697+52592310541054
Finish(26.22 mi)1.02 mi11039+2172614+832614+83701914461446

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13302

Females

3663

F18-39

3663

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14126

Females

4122

F18-39

4122

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13302

Females

3663

F18-39

3663

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13652

Females

3902

F18-39

3902

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11465

Females

2606

F18-39

2606

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11304

Females

2660

F18-39

2660

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11073

Females

2677

F18-39

2677

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10615

Females

2541

F18-39

2541

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9459

Females

2133

F18-39

2133

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11321

Females

3028

F18-39

3028

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7993

Females

1590

F18-39

1590

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7635

Females

1540

F18-39

1540

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7155

Females

1442

F18-39

1442

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5923

Females

1054

F18-39

1054

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7019

Females

1446

F18-39

1446

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#12171
5K → 10K
106965-1004
#12171 → #13175
10K → 15K
223197-26
#13175 → #13201
15K → 20K
264153-111
#13201 → #13312
20K → Half
2114+112
#13312 → #13200
Half → 25K
11385+374
#13200 → #12826
25K → 30K
47415+368
#12826 → #12458
30K → 20M
21185+164
#12458 → #12294
20M → 21M
14212+198
#12294 → #12096
21M → 35K
2664+38
#12096 → #12058
35K → 23M
5262+257
#12058 → #11801
23M → 24M
2217+215
#11801 → #11586
24M → 40K
2206+204
#11586 → #11382
40K → 25.2M
0126+126
#11382 → #11256
25.2M → Finish
7224+217
#11256 → #11039
TOTALS
16932825+1132
#12171 → #11039

Passing Visualized

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