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BOSTON MARATHON 2023

Brianna Roche

Bib: 16950•F

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
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
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:14:07
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:39:10
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:44:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:04:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:29:59
↑ 181↓ 1480.2%
20M
8:19/mi
2:41:17
↑ 64↓ 500.2%
21M
8:25/mi
2:49:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:48/mi
2:55:32
↑ 17↓ 861.7%
23M
7:55/mi
3:05:27
↑ 23↓ 630.6%
24M
7:47/mi
3:13:14
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:19:55
↓ 200.3%
25.2M
8:33/mi
3:22:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:42/mi
3:30:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:46:04
Pace8:05 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3224:297:5324:29
7:53
-
10K
6.21 mi11:39:1749:147:5524:45
7:58
+0:05
15K
9.32 mi12:04:101:14:077:5724:53
8:01
+0:03
20K
12.43 mi12:29:131:39:107:5925:03
8:04
+0:03
Half
13.11 mi12:34:421:44:397:595:29
8:02
-0:02
25K
15.53 mi12:54:262:04:238:0019:44
8:08
+0:06
30K
18.64 mi13:20:022:29:598:0325:36
8:14
+0:06
20M
20.00 mi13:31:202:41:178:0411:18
8:19
+0:05
21M
21.00 mi13:39:452:49:428:058:25
8:25
+0:06
35K
21.75 mi13:45:352:55:328:045:50
7:48
-0:37
23M
23.00 mi13:55:303:05:278:049:55
7:55
+0:07
24M
24.00 mi14:03:173:13:148:037:47
7:47
-0:08
40K
24.85 mi14:09:583:19:558:036:41
7:49
+0:02
25.2M
25.20 mi14:12:553:22:528:032:57
8:33
+0:44
Finish
26.22 mi14:20:463:30:438:037:51
7:42
-0:51

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

7:42 /mi

Average Pace

8:03 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:46

99% of race

Time at Steady Pace

2:57

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:14:3224:297:5324:29
7:53
#13092
10K
6.21 mi11:39:1749:147:5524:45
7:58
#13767
15K
9.32 mi12:04:101:14:077:5724:53
8:01
#13984
20K
12.43 mi12:29:131:39:107:5925:03
8:04
#13938
Half
13.11 mi12:34:421:44:397:595:29
8:02
#13972
25K
15.53 mi12:54:262:04:238:0019:44
8:08
#13925
30K
18.64 mi13:20:022:29:598:0325:36
8:14
#13642
20M
20.00 mi13:31:202:41:178:0411:18
8:19
#13551
21M
21.00 mi13:39:452:49:428:058:25
8:25
#13307
35K
21.75 mi13:45:352:55:328:045:50
7:48
#13184
23M
23.00 mi13:55:303:05:278:049:55
7:55
#12929
24M
24.00 mi14:03:173:13:148:037:47
7:47
#12774
40K
24.85 mi14:09:583:19:558:036:41
7:49
#12612
25.2M
25.20 mi14:12:553:22:528:032:57
8:33
#12565
Finish
26.22 mi14:20:463:30:438:037:51
7:42
#12451
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130923495349514458(Top 54%)4350(Top 38%)4350(Top 89%)
10K6.21 mi3.10 mi13767-6753906-4113906-41114542(Top 55%)4378(Top 38%)4378(Top 90%)
15K9.32 mi3.11 mi13984-2174048-1424048-14214458(Top 54%)4350(Top 38%)4350(Top 89%)
20K12.43 mi3.11 mi13938+464047+14047+113948(Top 52%)4075(Top 36%)4075(Top 83%)
Half13.11 mi0.68 mi13972-344069-224069-2214669(Top 55%)4465(Top 39%)4465(Top 91%)
25K15.53 mi2.42 mi13925+474068+14068+113797(Top 52%)4090(Top 36%)4090(Top 84%)
30K18.64 mi3.11 mi13642+2833921+1473921+14712614(Top 47%)3530(Top 31%)3530(Top 72%)
20M20.00 mi1.36 mi13551+913892+293892+2912460(Top 47%)3553(Top 31%)3553(Top 73%)
21M21.00 mi1.00 mi13307+2443757+1353757+13510006(Top 38%)2398(Top 21%)2398(Top 49%)
35K21.75 mi0.75 mi13184+1233700+573700+5710701(Top 40%)2735(Top 24%)2735(Top 56%)
23M23.00 mi1.25 mi12929+2553588+1123588+1129254(Top 35%)2157(Top 19%)2157(Top 44%)
24M24.00 mi1.00 mi12774+1553517+713517+719717(Top 36%)2466(Top 22%)2466(Top 50%)
40K24.85 mi0.85 mi12612+1623436+813436+818838(Top 33%)2115(Top 19%)2115(Top 43%)
25.2M25.20 mi0.35 mi12565+473415+213415+219974(Top 37%)2690(Top 24%)2690(Top 55%)
Finish26.22 mi1.02 mi12451+1143375+403375+4010032(Top 38%)2719(Top 24%)2719(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14458

Females

4350

F18-39

4350

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14542

Females

4378

F18-39

4378

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14458

Females

4350

F18-39

4350

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13948

Females

4075

F18-39

4075

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14669

Females

4465

F18-39

4465

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13797

Females

4090

F18-39

4090

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12614

Females

3530

F18-39

3530

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12460

Females

3553

F18-39

3553

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10006

Females

2398

F18-39

2398

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10701

Females

2735

F18-39

2735

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9254

Females

2157

F18-39

2157

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9717

Females

2466

F18-39

2466

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8838

Females

2115

F18-39

2115

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9974

Females

2690

F18-39

2690

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10032

Females

2719

F18-39

2719

Passing Analysis

Category:
Athletes Passed
2205
Passed By
1564
Net Change
+641
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13092
5K → 10K90765-675#13092#13767
10K → 15K103320-217#13767#13984
15K → 20K200154+46#13984#13938
20K → Half2256-34#13938#13972
Half → 25K154107+47#13972#13925
25K → 30K33451+283#13925#13642
30K → 20M14150+91#13642#13551
20M → 21M2506+244#13551#13307
21M → 35K13310+123#13307#13184
35K → 23M2583+255#13184#12929
23M → 24M16510+155#12929#12774
24M → 40K1675+162#12774#12612
40K → 25.2M536+47#12612#12565
25.2M → Finish13521+114#12565#12451
TOTALS22051564+641
📊

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