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BOSTON MARATHON 2025

Stephanie Reed

Bib: 15311•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Masters (Masters Women)
#0 / 6759
Top 5%
Division (F45-49)
#0 / 1813
Top 5%
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
7:19/mi
22:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
45:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:08:07
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:53:44
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:17:18
↑ 181↓ 1480.2%
20M
7:44/mi
2:27:48
↑ 64↓ 500.2%
21M
8:07/mi
2:35:55
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:41:28
↑ 17↓ 861.7%
23M
7:45/mi
2:51:10
↑ 23↓ 630.6%
24M
7:32/mi
2:58:42
↓ 821.3%
40K· 24.85 mi
7:48/mi
3:05:22
↓ 200.3%
25.2M
8:36/mi
3:08:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:32/mi
3:16:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:58
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:40:03
Pace7:38 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5422:447:1922:44
7:19
-
10K
6.21 mi11:16:3745:277:1922:43
7:19
0:00
15K
9.32 mi11:39:171:08:077:1822:40
7:18
-0:01
20K
12.43 mi12:02:101:31:007:1922:53
7:22
+0:04
Half
13.11 mi12:07:081:35:587:194:58
7:17
-0:05
25K
15.53 mi12:24:541:53:447:1917:46
7:20
+0:03
30K
18.64 mi12:48:282:17:187:2223:34
7:35
+0:15
20M
20.00 mi12:58:582:27:487:2310:30
7:44
+0:09
21M
21.00 mi13:07:052:35:557:258:07
8:07
+0:23
35K
21.75 mi13:12:382:41:287:255:33
7:25
-0:42
23M
23.00 mi13:22:202:51:107:279:42
7:45
+0:20
24M
24.00 mi13:29:522:58:427:277:32
7:32
-0:13
40K
24.85 mi13:36:323:05:227:276:40
7:48
+0:16
25.2M
25.20 mi13:39:303:08:207:282:58
8:36
+0:48
Finish
26.22 mi13:47:113:16:017:297:41
7:32
-1:04

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

7:17 /mi

Average Pace

7:29 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:56

94% of race

Time at Steady Pace

8:07

4% of race

Time at Slower Pace

2:58

2% of race

Average Pace: 7:29 /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 mi10:53:5422:447:1922:44
7:19
#10549
10K
6.21 mi11:16:3745:277:1922:43
7:19
#10457
15K
9.32 mi11:39:171:08:077:1822:40
7:18
#10288
20K
12.43 mi12:02:101:31:007:1922:53
7:22
#10078
Half
13.11 mi12:07:081:35:587:194:58
7:17
#10050
25K
15.53 mi12:24:541:53:447:1917:46
7:20
#9746
30K
18.64 mi12:48:282:17:187:2223:34
7:35
#9406
20M
20.00 mi12:58:582:27:487:2310:30
7:44
#9310
21M
21.00 mi13:07:052:35:557:258:07
8:07
#9195
35K
21.75 mi13:12:382:41:287:255:33
7:25
#9123
23M
23.00 mi13:22:202:51:107:279:42
7:45
#9006
24M
24.00 mi13:29:522:58:427:277:32
7:32
#8921
40K
24.85 mi13:36:323:05:227:276:40
7:48
#8865
25.2M
25.20 mi13:39:303:08:207:282:58
8:36
#8869
Finish
26.22 mi13:47:113:16:017:297:41
7:32
#8866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi10549205720579967(Top 35%)1879(Top 15%)1879(Top 104%)
10K6.21 mi3.10 mi10457+922034+232034+2310450(Top 37%)2033(Top 17%)2033(Top 112%)
15K9.32 mi3.11 mi10288+1691966+681966+689967(Top 35%)1879(Top 15%)1879(Top 104%)
20K12.43 mi3.11 mi10078+2101901+651901+659605(Top 34%)1786(Top 15%)1786(Top 99%)
Half13.11 mi0.68 mi10050+281896+51896+59878(Top 35%)1894(Top 15%)1894(Top 104%)
25K15.53 mi2.42 mi9746+3041789+1071789+1078599(Top 30%)1470(Top 12%)1470(Top 81%)
30K18.64 mi3.11 mi9406+3401685+1041685+1048357(Top 29%)1535(Top 13%)1535(Top 85%)
20M20.00 mi1.36 mi9310+961679+61679+68567(Top 30%)1777(Top 15%)1777(Top 98%)
21M21.00 mi1.00 mi9195+1151660+191660+198078(Top 28%)1760(Top 14%)1760(Top 97%)
35K21.75 mi0.75 mi9123+721655+51655+58094(Top 28%)1720(Top 14%)1720(Top 95%)
23M23.00 mi1.25 mi9006+1171643+121643+128231(Top 29%)1912(Top 16%)1912(Top 105%)
24M24.00 mi1.00 mi8921+85164316437965(Top 28%)1850(Top 15%)1850(Top 102%)
40K24.85 mi0.85 mi8865+561657-141657-148760(Top 31%)2330(Top 19%)2330(Top 129%)
25.2M25.20 mi0.35 mi8869-41675-181675-189460(Top 33%)2737(Top 22%)2737(Top 151%)
Finish26.22 mi1.02 mi8866+31713-381713-389499(Top 33%)2754(Top 23%)2754(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9967

Females

1879

F45-49

1879

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10450

Females

2033

F45-49

2033

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9967

Females

1879

F45-49

1879

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9605

Females

1786

F45-49

1786

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9878

Females

1894

F45-49

1894

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8599

Females

1470

F45-49

1470

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8357

Females

1535

F45-49

1535

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8567

Females

1777

F45-49

1777

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

8078

Females

1760

F45-49

1760

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

8094

Females

1720

F45-49

1720

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8231

Females

1912

F45-49

1912

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7965

Females

1850

F45-49

1850

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8760

Females

2330

F45-49

2330

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9460

Females

2737

F45-49

2737

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9499

Females

2754

F45-49

2754

Passing Analysis

Category:
Athletes Passed
2512*
Passed By
828
Net Change
+1683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10549
5K → 10K306214+92#10549#10457
10K → 15K25788+169#10457#10288
15K → 20K28473+210#10288#10078
20K → Half4820+28#10078#10050
Half → 25K325*21+304#10050#9746
25K → 30K40363+340#9746#9406
30K → 20M14549+96#9406#9310
20M → 21M15641+115#9310#9195
21M → 35K8614+72#9195#9123
35K → 23M16750+117#9123#9006
23M → 24M12136+85#9006#8921
24M → 40K9842+56#8921#8865
40K → 25.2M3842-4#8865#8869
25.2M → Finish7875+3#8869#8866
TOTALS2512*828+1683

* 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