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BOSTON MARATHON 2023

Gretchen Barbera

Bib: 17905•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
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
7:44/mi
24:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
47:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:10:43
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:39:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:57:54
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:21:47
↑ 181↓ 1480.2%
20M
7:44/mi
2:32:18
↑ 64↓ 500.2%
21M
7:57/mi
2:40:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:46:23
↑ 17↓ 861.7%
23M
7:28/mi
2:55:44
↑ 23↓ 630.6%
24M
7:16/mi
3:03:00
↓ 821.3%
40K· 24.85 mi
7:28/mi
3:09:23
↓ 200.3%
25.2M
7:47/mi
3:12:04
↑ 13↓ 160.2%
Finish· 26.22 mi
7:02/mi
3:19:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:25
Pace7:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:49
Pace7:37 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0024:037:4424:03
7:44
-
10K
6.21 mi11:38:2647:297:3923:26
7:33
-0:11
15K
9.32 mi12:01:401:10:437:3523:14
7:29
-0:04
20K
12.43 mi12:25:161:34:197:3523:36
7:36
+0:07
Half
13.11 mi12:30:221:39:257:355:06
7:29
-0:07
25K
15.53 mi12:48:511:57:547:3518:29
7:37
+0:08
30K
18.64 mi13:12:442:21:477:3623:53
7:41
+0:04
20M
20.00 mi13:23:152:32:187:3710:31
7:44
+0:03
21M
21.00 mi13:31:122:40:157:387:57
7:57
+0:13
35K
21.75 mi13:37:202:46:237:396:08
8:12
+0:15
23M
23.00 mi13:46:412:55:447:389:21
7:28
-0:44
24M
24.00 mi13:53:573:03:007:387:16
7:16
-0:12
40K
24.85 mi14:00:203:09:237:376:23
7:28
+0:12
25.2M
25.20 mi14:03:013:12:047:372:41
7:47
+0:19
Finish
26.22 mi14:10:113:19:147:367:10
7:02
-0:45

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

7:02 /mi

Average Pace

7:36 /mi

Slowest Pace

8:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:28

92% of race

Time at Steady Pace

16:46

8% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:15:0024:037:4424:03
7:44
#11839
10K
6.21 mi11:38:2647:297:3923:26
7:33
#11283
15K
9.32 mi12:01:401:10:437:3523:14
7:29
#10813
20K
12.43 mi12:25:161:34:197:3523:36
7:36
#10615
Half
13.11 mi12:30:221:39:257:355:06
7:29
#10577
25K
15.53 mi12:48:511:57:547:3518:29
7:37
#10398
30K
18.64 mi13:12:442:21:477:3623:53
7:41
#10018
20M
20.00 mi13:23:152:32:187:3710:31
7:44
#9852
21M
21.00 mi13:31:122:40:157:387:57
7:57
#9681
35K
21.75 mi13:37:202:46:237:396:08
8:12
#9799
23M
23.00 mi13:46:412:55:447:389:21
7:28
#9532
24M
24.00 mi13:53:573:03:007:387:16
7:16
#9340
40K
24.85 mi14:00:203:09:237:376:23
7:28
#9198
25.2M
25.20 mi14:03:013:12:047:372:41
7:47
#9141
Finish
26.22 mi14:10:113:19:147:367:10
7:02
#8951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118392763276310006(Top 38%)1841(Top 16%)1841(Top 38%)
10K6.21 mi3.10 mi11283+5562482+2812482+28110824(Top 41%)2214(Top 19%)2214(Top 45%)
15K9.32 mi3.11 mi10813+4702241+2412241+24110006(Top 38%)1841(Top 16%)1841(Top 38%)
20K12.43 mi3.11 mi10615+1982135+1062135+10610069(Top 38%)1942(Top 17%)1942(Top 40%)
Half13.11 mi0.68 mi10577+382106+292106+2910063(Top 38%)1899(Top 17%)1899(Top 39%)
25K15.53 mi2.42 mi10398+1792041+652041+659738(Top 37%)1880(Top 16%)1880(Top 38%)
30K18.64 mi3.11 mi10018+3801898+1431898+1438560(Top 32%)1535(Top 13%)1535(Top 31%)
20M20.00 mi1.36 mi9852+1661851+471851+478455(Top 32%)1579(Top 14%)1579(Top 32%)
21M21.00 mi1.00 mi9681+1711795+561795+567070(Top 27%)1165(Top 10%)1165(Top 24%)
35K21.75 mi0.75 mi9799-1181869-741869-7413409(Top 50%)4208(Top 37%)4208(Top 86%)
23M23.00 mi1.25 mi9532+2671778+911778+916273(Top 24%)915(Top 8%)915(Top 19%)
24M24.00 mi1.00 mi9340+1921729+491729+496197(Top 23%)989(Top 9%)989(Top 20%)
40K24.85 mi0.85 mi9198+1421701+281701+286552(Top 25%)1188(Top 10%)1188(Top 24%)
25.2M25.20 mi0.35 mi9141+571683+181683+185387(Top 20%)879(Top 8%)879(Top 18%)
Finish26.22 mi1.02 mi8951+1901621+621621+625444(Top 20%)891(Top 8%)891(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10006

Females

1841

F18-39

1841

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10824

Females

2214

F18-39

2214

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10006

Females

1841

F18-39

1841

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10069

Females

1942

F18-39

1942

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10063

Females

1899

F18-39

1899

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9738

Females

1880

F18-39

1880

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8560

Females

1535

F18-39

1535

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8455

Females

1579

F18-39

1579

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7070

Females

1165

F18-39

1165

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13409

Females

4208

F18-39

4208

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6273

Females

915

F18-39

915

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6197

Females

989

F18-39

989

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6552

Females

1188

F18-39

1188

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5387

Females

879

F18-39

879

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5444

Females

891

F18-39

891

Passing Analysis

Category:
Athletes Passed
3386*
Passed By
498
Net Change
+2888
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11839
5K → 10K670114+556#11839#11283
10K → 15K50333+470#11283#10813
15K → 20K27173+198#10813#10615
20K → Half5820+38#10615#10577
Half → 25K22546+179#10577#10398
25K → 30K401*21+380#10398#10018
30K → 20M184*18+166#10018#9852
20M → 21M18211+171#9852#9681
21M → 35K19137-118#9681#9799
35K → 23M2703+267#9799#9532
23M → 24M1953+192#9532#9340
24M → 40K15412+142#9340#9198
40K → 25.2M581+57#9198#9141
25.2M → Finish1966+190#9141#8951
TOTALS3386*498+2888

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

📊

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