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BOSTON MARATHON 2025

Phoebe Sterba

Bib: 27743•F

MA

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
10:30/mi
32:36
↑ 97↓ 3451.5%
10K· 6.21 mi
10:05/mi
1:03:55
↑ 79↓ 1380.4%
15K· 9.32 mi
9:55/mi
1:34:43
↑ 67↓ 78
20K· 12.43 mi
10:05/mi
2:06:04
↑ 106↓ 860.1%
Half· 13.11 mi
9:49/mi
2:12:46
↑ 19↓ 370.5%
25K· 15.53 mi
10:31/mi
2:38:15
↑ 66↓ 880.2%
30K· 18.64 mi
11:02/mi
3:12:32
↑ 181↓ 1480.2%
20M
10:06/mi
3:26:15
↑ 64↓ 500.2%
21M
10:48/mi
3:37:03
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:44:20
↑ 17↓ 861.7%
23M
9:53/mi
3:56:43
↑ 23↓ 630.6%
24M
9:28/mi
4:06:11
↓ 821.3%
40K· 24.85 mi
9:41/mi
4:14:28
↓ 200.3%
25.2M
10:18/mi
4:18:01
↑ 13↓ 160.2%
Finish· 26.22 mi
9:01/mi
4:27:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:46
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time2:14:26
Pace10:15 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3332:3610:3032:36
10:30
-
10K
6.21 mi12:25:521:03:5510:1731:19
10:05
-0:25
15K
9.32 mi12:56:401:34:4310:1030:48
9:55
-0:10
20K
12.43 mi13:28:012:06:0410:0931:21
10:05
+0:10
Half
13.11 mi13:34:432:12:4610:086:42
9:49
-0:16
25K
15.53 mi14:00:122:38:1510:1125:29
10:31
+0:42
30K
18.64 mi14:34:293:12:3210:2034:17
11:02
+0:31
20M
20.00 mi14:48:123:26:1510:1913:43
10:06
-0:56
21M
21.00 mi14:59:003:37:0310:2010:48
10:48
+0:42
35K
21.75 mi15:06:173:44:2010:197:17
9:44
-1:04
23M
23.00 mi15:18:403:56:4310:1812:23
9:53
+0:09
24M
24.00 mi15:28:084:06:1110:159:28
9:28
-0:25
40K
24.85 mi15:36:254:14:2810:148:17
9:41
+0:13
25.2M
25.20 mi15:39:584:18:0110:143:33
10:18
+0:37
Finish
26.22 mi15:49:094:27:1210:129:11
9:01
-1:17

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

9:01 /mi

Average Pace

10:12 /mi

Slowest Pace

11:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:55

15% of race

Time at Steady Pace

2:03:07

46% of race

Time at Slower Pace

1:43:10

39% of race

Average Pace: 10:11 /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 mi11:54:3332:3610:3032:36
10:30
#26734
10K
6.21 mi12:25:521:03:5510:1731:19
10:05
#26071
15K
9.32 mi12:56:401:34:4310:1030:48
9:55
#25643
20K
12.43 mi13:28:012:06:0410:0931:21
10:05
#25327
Half
13.11 mi13:34:432:12:4610:086:42
9:49
#25272
25K
15.53 mi14:00:122:38:1510:1125:29
10:31
#25097
30K
18.64 mi14:34:293:12:3210:2034:17
11:02
#24928
20M
20.00 mi14:48:123:26:1510:1913:43
10:06
#24710
21M
21.00 mi14:59:003:37:0310:2010:48
10:48
#24535
35K
21.75 mi15:06:173:44:2010:197:17
9:44
#24438
23M
23.00 mi15:18:403:56:4310:1812:23
9:53
#24226
24M
24.00 mi15:28:084:06:1110:159:28
9:28
#24058
40K
24.85 mi15:36:254:14:2810:148:17
9:41
#23922
25.2M
25.20 mi15:39:584:18:0110:143:33
10:18
#23849
Finish
26.22 mi15:49:094:27:1210:129:11
9:01
#23724
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26734111801118024817(Top 87%)10116(Top 83%)10116(Top 185%)
10K6.21 mi3.10 mi26071+66310812+36810812+36825489(Top 90%)10515(Top 86%)10515(Top 192%)
15K9.32 mi3.11 mi25643+42810586+22610586+22624817(Top 87%)10116(Top 83%)10116(Top 185%)
20K12.43 mi3.11 mi25327+31610423+16310423+16324427(Top 86%)9947(Top 81%)9947(Top 182%)
Half13.11 mi0.68 mi25272+5510392+3110392+3124443(Top 86%)9964(Top 81%)9964(Top 182%)
25K15.53 mi2.42 mi25097+17510307+8510307+8524400(Top 86%)9959(Top 81%)9959(Top 182%)
30K18.64 mi3.11 mi24928+16910238+6910238+6924064(Top 85%)9896(Top 81%)9896(Top 181%)
20M20.00 mi1.36 mi24710+21810132+10610132+10621274(Top 75%)8510(Top 70%)8510(Top 156%)
21M21.00 mi1.00 mi24535+17510051+8110051+8120864(Top 73%)8388(Top 69%)8388(Top 153%)
35K21.75 mi0.75 mi24438+9710009+4210009+4221156(Top 74%)8598(Top 70%)8598(Top 157%)
23M23.00 mi1.25 mi24226+2129918+919918+9120139(Top 71%)8129(Top 66%)8129(Top 149%)
24M24.00 mi1.00 mi24058+1689845+739845+7319550(Top 69%)7864(Top 64%)7864(Top 144%)
40K24.85 mi0.85 mi23922+1369775+709775+7019470(Top 69%)7886(Top 64%)7886(Top 144%)
25.2M25.20 mi0.35 mi23849+739750+259750+2518355(Top 65%)7343(Top 60%)7343(Top 134%)
Finish26.22 mi1.02 mi23724+1259695+559695+5519157(Top 67%)7707(Top 63%)7707(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24817

Females

10116

F18-39

10116

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25489

Females

10515

F18-39

10515

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24817

Females

10116

F18-39

10116

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24427

Females

9947

F18-39

9947

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24443

Females

9964

F18-39

9964

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24400

Females

9959

F18-39

9959

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24064

Females

9896

F18-39

9896

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21274

Females

8510

F18-39

8510

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20864

Females

8388

F18-39

8388

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

21156

Females

8598

F18-39

8598

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20139

Females

8129

F18-39

8129

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

19550

Females

7864

F18-39

7864

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19470

Females

7886

F18-39

7886

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18355

Females

7343

F18-39

7343

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

19157

Females

7707

F18-39

7707

Passing Analysis

Category:
Athletes Passed
3119
Passed By
109
Net Change
+3010
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26734
5K → 10K67512+663#26734#26071
10K → 15K4357+428#26071#25643
15K → 20K32812+316#25643#25327
20K → Half583+55#25327#25272
Half → 25K19116+175#25272#25097
25K → 30K21647+169#25097#24928
30K → 20M2180+218#24928#24710
20M → 21M1794+175#24710#24535
21M → 35K981+97#24535#24438
35K → 23M2131+212#24438#24226
23M → 24M1702+168#24226#24058
24M → 40K1371+136#24058#23922
40K → 25.2M730+73#23922#23849
25.2M → Finish1283+125#23849#23724
TOTALS3119109+3010
📊

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