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BOSTON MARATHON 2023

Rachel Brisson

Bib: 16859•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 44%
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
7:58/mi
24:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
48:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:12:45
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:36:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:42:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
2:01:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:57/mi
2:25:41
↑ 181↓ 1480.2%
20M
8:08/mi
2:36:44
↑ 64↓ 500.2%
21M
8:43/mi
2:45:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:51:20
↑ 17↓ 861.7%
23M
8:19/mi
3:01:45
↑ 23↓ 630.6%
24M
8:03/mi
3:09:48
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:16:56
↓ 200.3%
25.2M
9:08/mi
3:20:05
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:28:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:08
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3124:467:5824:46
7:58
-
10K
6.21 mi11:39:2748:427:5023:56
7:42
-0:16
15K
9.32 mi12:03:301:12:457:4824:03
7:44
+0:02
20K
12.43 mi12:27:391:36:547:4824:09
7:46
+0:02
Half
13.11 mi12:32:531:42:087:475:14
7:40
-0:06
25K
15.53 mi12:51:452:01:007:4718:52
7:47
+0:07
30K
18.64 mi13:16:262:25:417:4924:41
7:57
+0:10
20M
20.00 mi13:27:292:36:447:5011:03
8:08
+0:11
21M
21.00 mi13:36:122:45:277:538:43
8:43
+0:35
35K
21.75 mi13:42:052:51:207:535:53
7:52
-0:51
23M
23.00 mi13:52:303:01:457:5410:25
8:19
+0:27
24M
24.00 mi14:00:333:09:487:558:03
8:03
-0:16
40K
24.85 mi14:07:413:16:567:557:08
8:21
+0:18
25.2M
25.20 mi14:10:503:20:057:563:09
9:08
+0:47
Finish
26.22 mi14:19:113:28:267:578:21
8:12
-0:56

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

7:40 /mi

Average Pace

7:57 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:34

94% of race

Time at Steady Pace

8:43

4% of race

Time at Slower Pace

3:09

2% of race

Average Pace: 7:57 /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 mi11:15:3124:467:5824:46
7:58
#13818
10K
6.21 mi11:39:2748:427:5023:56
7:42
#13058
15K
9.32 mi12:03:301:12:457:4824:03
7:44
#12737
20K
12.43 mi12:27:391:36:547:4824:09
7:46
#12382
Half
13.11 mi12:32:531:42:087:475:14
7:40
#12328
25K
15.53 mi12:51:452:01:007:4718:52
7:47
#12095
30K
18.64 mi13:16:262:25:417:4924:41
7:57
#11743
20M
20.00 mi13:27:292:36:447:5011:03
8:08
#11690
21M
21.00 mi13:36:122:45:277:538:43
8:43
#11678
35K
21.75 mi13:42:052:51:207:535:53
7:52
#11658
23M
23.00 mi13:52:303:01:457:5410:25
8:19
#11657
24M
24.00 mi14:00:333:09:487:558:03
8:03
#11653
40K
24.85 mi14:07:413:16:567:557:08
8:21
#11679
25.2M
25.20 mi14:10:503:20:057:563:09
9:08
#11701
Finish
26.22 mi14:19:113:28:267:578:21
8:12
#11769
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138183906390612222(Top 46%)3028(Top 27%)3028(Top 62%)
10K6.21 mi3.10 mi13058+7603479+4273479+42712279(Top 46%)3027(Top 26%)3027(Top 62%)
15K9.32 mi3.11 mi12737+3213302+1773302+17712222(Top 46%)3028(Top 27%)3028(Top 62%)
20K12.43 mi3.11 mi12382+3553139+1633139+16311521(Top 43%)2696(Top 24%)2696(Top 55%)
Half13.11 mi0.68 mi12328+543107+323107+3211706(Top 44%)2750(Top 24%)2750(Top 56%)
25K15.53 mi2.42 mi12095+2332992+1152992+11510968(Top 41%)2470(Top 22%)2470(Top 51%)
30K18.64 mi3.11 mi11743+3522829+1632829+16310491(Top 39%)2389(Top 21%)2389(Top 49%)
20M20.00 mi1.36 mi11690+532820+92820+911256(Top 42%)2852(Top 25%)2852(Top 58%)
21M21.00 mi1.00 mi11678+122830-102830-1011781(Top 44%)3287(Top 29%)3287(Top 67%)
35K21.75 mi0.75 mi11658+202831-12831-111174(Top 42%)2961(Top 26%)2961(Top 61%)
23M23.00 mi1.25 mi11657+12854-232854-2312050(Top 45%)3539(Top 31%)3539(Top 72%)
24M24.00 mi1.00 mi11653+42870-162870-1611604(Top 44%)3382(Top 30%)3382(Top 69%)
40K24.85 mi0.85 mi11679-262910-402910-4012347(Top 46%)3847(Top 34%)3847(Top 79%)
25.2M25.20 mi0.35 mi11701-222933-232933-2313290(Top 50%)4361(Top 38%)4361(Top 89%)
Finish26.22 mi1.02 mi11769-682995-622995-6213401(Top 50%)4405(Top 39%)4405(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12222

Females

3028

F18-39

3028

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12279

Females

3027

F18-39

3027

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12222

Females

3028

F18-39

3028

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11521

Females

2696

F18-39

2696

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11706

Females

2750

F18-39

2750

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10968

Females

2470

F18-39

2470

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10491

Females

2389

F18-39

2389

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11256

Females

2852

F18-39

2852

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11781

Females

3287

F18-39

3287

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11174

Females

2961

F18-39

2961

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12050

Females

3539

F18-39

3539

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11604

Females

3382

F18-39

3382

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12347

Females

3847

F18-39

3847

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13290

Females

4361

F18-39

4361

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13401

Females

4405

F18-39

4405

Passing Analysis

Category:
Athletes Passed
2914
Passed By
865
Net Change
+2049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13818
5K → 10K84080+760#13818#13058
10K → 15K40382+321#13058#12737
15K → 20K39540+355#12737#12382
20K → Half639+54#12382#12328
Half → 25K25724+233#12328#12095
25K → 30K38937+352#12095#11743
30K → 20M12067+53#11743#11690
20M → 21M9381+12#11690#11678
21M → 35K5838+20#11678#11658
35K → 23M9695+1#11658#11657
23M → 24M6864+4#11657#11653
24M → 40K5076-26#11653#11679
40K → 25.2M2244-22#11679#11701
25.2M → Finish60128-68#11701#11769
TOTALS2914865+2049
📊

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