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BOSTON MARATHON 2023

Gwen Jacobson

MN

Bib: 10765 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Masters (Masters Women)
#0 / 6539
Top 5%
Division (F60-64)
#0 / 527
Top 0.6%
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
7:34/mi
23:32
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:21/mi
46:22
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:23/mi
1:09:18
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:28/mi
1:32:29
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:27/mi
1:37:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:39/mi
1:56:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:50/mi
2:20:26
↑ 181↓ 1480.2%
138 ft elev
20M
7:41/mi
2:30:53
↑ 64↓ 500.2%
148 ft elev
21M
8:11/mi
2:39:04
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:33/mi
2:44:43
↑ 17↓ 861.7%
156 ft elev
23M
7:54/mi
2:54:37
↑ 23↓ 630.6%
116 ft elev
24M
7:28/mi
3:02:05
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:29/mi
3:08:29
↓ 200.3%
20 ft elev
25.2M
8:07/mi
3:11:17
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:19/mi
3:18:44
↑ 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
1:37:347:27 /mi⚡ faster
2nd Half
1:41:107:43 /mi+3.7%
Positive split — 3.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:327:343.11 mi23:32
7:34
-
10K
46:227:283.10 mi22:50
7:21
-0:13
15K
1:09:187:263.11 mi22:56
7:23
+0:02
20K
1:32:297:273.11 mi23:11
7:28
+0:05
Half(13.11 mi)
1:37:347:270.68 mi5:05
7:27
-0:01
25K
1:56:067:282.42 mi18:32
7:39
+0:12
30K
2:20:267:323.11 mi24:20
7:50
+0:11
20M
2:30:537:331.36 mi10:27
7:41
-0:09
21M
2:39:047:341.00 mi8:11
8:11
+0:30
35K
2:44:437:340.75 mi5:39
7:33
-0:38
23M
2:54:377:361.25 mi9:54
7:54
+0:21
24M
3:02:057:351.00 mi7:28
7:28
-0:26
40K
3:08:297:350.85 mi6:24
7:29
+0:01
25.2M
3:11:177:350.35 mi2:48
8:07
+0:38
Finish(26.22 mi)
3:18:447:351.02 mi7:27
7:19
-0:48
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:19 /mi

Average Pace

7:35 /mi

Slowest Pace

8:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:07:45

94% of race

Time at Steady Pace

10:59

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi1030719991999919615181518
10K3.10 mi9687+6201699+3001699+300923515081508
15K3.11 mi9485+2021609+901609+90919615181518
20K3.11 mi9350+1351576+331576+33902615001500
Half(13.11 mi)0.68 mi9362-121582-61582-6986318181818
25K2.42 mi9420-581620-381620-38987619451945
30K3.11 mi9433-131663-431663-43960719721972
20M1.36 mi9308+1251639+241639+24813114521452
21M1.00 mi9225+831624+151624+15854717351735
35K0.75 mi9190+3516241624894718841884
23M1.25 mi9173+171645-211645-21913620992099
24M1.00 mi9071+1021621+241621+24750814911491
40K0.85 mi8947+1241591+301591+30667612421242
25.2M0.35 mi8908+391585+61585+6729115351535
Finish(26.22 mi)1.02 mi8810+981567+181567+18722115141514

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9196

Females

1518

F60-64

1518

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9235

Females

1508

F60-64

1508

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9196

Females

1518

F60-64

1518

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9026

Females

1500

F60-64

1500

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9863

Females

1818

F60-64

1818

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9876

Females

1945

F60-64

1945

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9607

Females

1972

F60-64

1972

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8131

Females

1452

F60-64

1452

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8547

Females

1735

F60-64

1735

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8947

Females

1884

F60-64

1884

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9136

Females

2099

F60-64

2099

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7508

Females

1491

F60-64

1491

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6676

Females

1242

F60-64

1242

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7291

Females

1535

F60-64

1535

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7221

Females

1514

F60-64

1514

Passing Analysis

Category:
Passed
2330*
Passed By
833
Net Change
+1497
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10307
5K → 10K716*96+620#10307#9687
10K → 15K27674+202#9687#9485
15K → 20K21176+135#9485#9350
20K → Half1931-12#9350#9362
Half → 25K103161-58#9362#9420
25K → 30K170*183-13#9420#9433
30K → 20M14722+125#9433#9308
20M → 21M12542+83#9308#9225
21M → 35K5722+35#9225#9190
35K → 23M9578+17#9190#9173
23M → 24M11715+102#9173#9071
24M → 40K1306+124#9071#8947
40K → 25.2M478+39#8947#8908
25.2M → Finish11719+98#8908#8810
TOTALS2330*833+1497

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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