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BOSTON MARATHON 2025

Brittny Rhodes

Bib: 12387•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
7:11/mi
22:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:07/mi
44:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:06:44
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:29:52
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:34:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:40/mi
1:55:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:18:37
↑ 181↓ 1480.2%
20M
8:17/mi
2:29:53
↑ 64↓ 500.2%
21M
9:02/mi
2:38:55
↑ 106↓ 241.6%
35K· 21.75 mi
61:33/mi
3:24:58
↑ 17↓ 861.7%
23M
6:59/mi
3:33:43
↑ 23↓ 630.6%
24M
6:58/mi
3:40:41
↓ 821.3%
40K· 24.85 mi
7:21/mi
3:46:58
↓ 200.3%
25.2M
8:33/mi
3:49:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:57:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:34
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time2:22:47
Pace10:54 /mi
📊Positive Split: 51.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5322:197:1122:19
7:11
-
10K
6.21 mi11:12:0044:267:0922:07
7:07
-0:04
15K
9.32 mi11:34:181:06:447:1022:18
7:11
+0:04
20K
12.43 mi11:57:261:29:527:1423:08
7:27
+0:16
Half
13.11 mi12:02:081:34:347:134:42
6:53
-0:34
25K
15.53 mi12:23:091:55:357:2621:01
8:40
+1:47
30K
18.64 mi12:46:112:18:377:2623:02
7:25
-1:15
20M
20.00 mi12:57:272:29:537:3011:16
8:17
+0:52
21M
21.00 mi13:06:292:38:557:349:02
9:02
+0:45
35K
21.75 mi13:52:323:24:589:2546:03
61:33
+52:31
23M
23.00 mi14:01:173:33:439:188:45
6:59
-54:34
24M
24.00 mi14:08:153:40:419:126:58
6:58
-0:01
40K
24.85 mi14:14:323:46:589:086:17
7:21
+0:23
25.2M
25.20 mi14:17:293:49:559:072:57
8:33
+1:12
Finish
26.22 mi14:24:553:57:219:047:26
7:18
-1:15

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

6:53 /mi

Average Pace

9:04 /mi

Slowest Pace

61:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:11:18

81% of race

Time at Slower Pace

46:03

19% of race

Average Pace: 9:03 /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 mi10:49:5322:197:1122:19
7:11
#9345
10K
6.21 mi11:12:0044:267:0922:07
7:07
#9051
15K
9.32 mi11:34:181:06:447:1022:18
7:11
#8992
20K
12.43 mi11:57:261:29:527:1423:08
7:27
#9274
Half
13.11 mi12:02:081:34:347:134:42
6:53
#9121
25K
15.53 mi12:23:091:55:357:2621:01
8:40
#10816
30K
18.64 mi12:46:112:18:377:2623:02
7:25
#10020
20M
20.00 mi12:57:272:29:537:3011:16
8:17
#10205
21M
21.00 mi13:06:292:38:557:349:02
9:02
#10415
35K
21.75 mi13:52:323:24:589:2546:03
61:33
#21918
23M
23.00 mi14:01:173:33:439:188:45
6:59
#21192
24M
24.00 mi14:08:153:40:419:126:58
6:58
#20704
40K
24.85 mi14:14:323:46:589:086:17
7:21
#20326
25.2M
25.20 mi14:17:293:49:559:072:57
8:33
#20178
Finish
26.22 mi14:24:553:57:219:047:26
7:18
#19810
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9345153415348956(Top 32%)1415(Top 12%)1415(Top 26%)
10K6.21 mi3.10 mi9051+2941401+1331401+1338849(Top 31%)1322(Top 11%)1322(Top 24%)
15K9.32 mi3.11 mi8992+591393+81393+88956(Top 32%)1415(Top 12%)1415(Top 26%)
20K12.43 mi3.11 mi9274-2821533-1401533-14010332(Top 36%)2124(Top 17%)2124(Top 39%)
Half13.11 mi0.68 mi9121+1531468+651468+656904(Top 24%)762(Top 6%)762(Top 14%)
25K15.53 mi2.42 mi10816-16952296-8282296-82818218(Top 64%)6549(Top 54%)6549(Top 120%)
30K18.64 mi3.11 mi10020+7961961+3351961+3357155(Top 25%)1078(Top 9%)1078(Top 20%)
20M20.00 mi1.36 mi10205-1852088-1272088-12712468(Top 44%)3687(Top 30%)3687(Top 67%)
21M21.00 mi1.00 mi10415-2102248-1602248-16013757(Top 48%)4510(Top 37%)4510(Top 82%)
35K21.75 mi0.75 mi21918-115038634-63868634-638628404(Top 100%)12228(Top 100%)12228(Top 224%)
23M23.00 mi1.25 mi21192+7268265+3698265+3693731(Top 13%)362(Top 3%)362(Top 7%)
24M24.00 mi1.00 mi20704+4888017+2488017+2484485(Top 16%)591(Top 5%)591(Top 11%)
40K24.85 mi0.85 mi20326+3787829+1887829+1885967(Top 21%)1137(Top 9%)1137(Top 21%)
25.2M25.20 mi0.35 mi20178+1487761+687761+689277(Top 33%)2714(Top 22%)2714(Top 50%)
Finish26.22 mi1.02 mi19810+3687575+1867575+1867797(Top 27%)1995(Top 16%)1995(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8956

Females

1415

F18-39

1415

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8849

Females

1322

F18-39

1322

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8956

Females

1415

F18-39

1415

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10332

Females

2124

F18-39

2124

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6904

Females

762

F18-39

762

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18218

Females

6549

F18-39

6549

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7155

Females

1078

F18-39

1078

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12468

Females

3687

F18-39

3687

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13757

Females

4510

F18-39

4510

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

28404

Females

12228

F18-39

12228

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3731

Females

362

F18-39

362

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4485

Females

591

F18-39

591

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5967

Females

1137

F18-39

1137

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9277

Females

2714

F18-39

2714

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7797

Females

1995

F18-39

1995

Passing Analysis

Category:
Athletes Passed
3892*
Passed By
14354
Net Change
-10465
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9345
5K → 10K400106+294#9345#9051
10K → 15K195136+59#9051#8992
15K → 20K91373-282#8992#9274
20K → Half1552+153#9274#9121
Half → 25K141707-1695#9121#10816
25K → 30K797*1+796#10816#10020
30K → 20M76260-185#10020#10205
20M → 21M56266-210#10205#10415
21M → 35K011503-11503#10415#21918
35K → 23M7260+726#21918#21192
23M → 24M4880+488#21192#20704
24M → 40K3780+378#20704#20326
40K → 25.2M1480+148#20326#20178
25.2M → Finish3680+368#20178#19810
TOTALS3892*14354-10465

* 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