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BOSTON MARATHON 2025

Shauna Phillips

OR

Bib: 14257 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:20/mi
22:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:23/mi
45:41
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:26/mi
1:08:47
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:36/mi
1:32:23
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:31/mi
1:37:31
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:37/mi
1:56:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:02/mi
2:20:58
↑ 181↓ 1480.2%
138 ft elev
20M
8:20/mi
2:32:17
↑ 64↓ 500.2%
148 ft elev
21M
8:48/mi
2:41:05
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:57/mi
2:47:02
↑ 17↓ 861.7%
156 ft elev
23M
8:22/mi
2:57:30
↑ 23↓ 630.6%
116 ft elev
24M
8:15/mi
3:05:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:50/mi
3:13:18
↓ 200.3%
20 ft elev
25.2M
9:57/mi
3:16:44
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:39/mi
3:26:34
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:37:317:26 /mi⚡ faster
2nd Half
1:49:038:19 /mi+11.8%
Positive split — 11.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2622:467:2022:46
7:20
-
10K
6.21 mi11:17:2145:417:2122:55
7:23
+0:03
15K
9.32 mi11:40:271:08:477:2323:06
7:26
+0:03
20K
12.43 mi12:04:031:32:237:2623:36
7:36
+0:10
Half
13.11 mi12:09:111:37:317:265:08
7:31
-0:05
25K
15.53 mi12:27:401:56:007:2818:29
7:37
+0:06
30K
18.64 mi12:52:382:20:587:3424:58
8:02
+0:25
20M
20.00 mi13:03:572:32:177:3711:19
8:20
+0:18
21M
21.00 mi13:12:452:41:057:408:48
8:48
+0:28
35K
21.75 mi13:18:422:47:027:415:57
7:57
-0:51
23M
23.00 mi13:29:102:57:307:4310:28
8:22
+0:25
24M
24.00 mi13:37:253:05:457:448:15
8:15
-0:07
40K
24.85 mi13:44:583:13:187:477:33
8:50
+0:35
25.2M
25.20 mi13:48:243:16:447:483:26
9:57
+1:07
Finish
26.22 mi13:58:143:26:347:539:50
9:39
-0:18

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

7:20 /mi

Average Pace

7:53 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:56:00

56% of race

Time at Steady Pace

1:00:57

30% of race

Time at Slower Pace

29:37

14% of race

Average Pace: 7:53 /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 mi10:54:2622:467:2022:46
7:20
#10668
10K
6.21 mi11:17:2145:417:2122:55
7:23
#10800
15K
9.32 mi11:40:271:08:477:2323:06
7:26
#10886
20K
12.43 mi12:04:031:32:237:2623:36
7:36
#11058
Half
13.11 mi12:09:111:37:317:265:08
7:31
#11124
25K
15.53 mi12:27:401:56:007:2818:29
7:37
#11052
30K
18.64 mi12:52:382:20:587:3424:58
8:02
#11140
20M
20.00 mi13:03:572:32:177:3711:19
8:20
#11205
21M
21.00 mi13:12:452:41:057:408:48
8:48
#11237
35K
21.75 mi13:18:422:47:027:415:57
7:57
#11248
23M
23.00 mi13:29:102:57:307:4310:28
8:22
#11285
24M
24.00 mi13:37:253:05:457:448:15
8:15
#11330
40K
24.85 mi13:44:583:13:187:477:33
8:50
#11501
25.2M
25.20 mi13:48:243:16:447:483:26
9:57
#11602
Finish
26.22 mi13:58:143:26:347:539:50
9:39
#12152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10668212521251121224852485
10K6.21 mi3.10 mi10800-1322207-822207-821099123022302
15K9.32 mi3.11 mi10886-862263-562263-561121224852485
20K12.43 mi3.11 mi11058-1722373-1102373-1101159727882788
Half13.11 mi0.68 mi11124-662416-432416-431200929592959
25K15.53 mi2.42 mi11052+722420-42420-41096725722572
30K18.64 mi3.11 mi11140-882539-1192539-1191165631213121
20M20.00 mi1.36 mi11205-652616-772616-771267337833783
21M21.00 mi1.00 mi11237-322676-602676-601230937603760
35K21.75 mi0.75 mi11248-112707-312707-311197036273627
23M23.00 mi1.25 mi11285-372768-612768-611243739673967
24M24.00 mi1.00 mi11330-452830-622830-621292542754275
40K24.85 mi0.85 mi11501-1712953-1232953-1231535757145714
25.2M25.20 mi0.35 mi11602-1013011-583011-581682564796479
Finish26.22 mi1.02 mi12152-5503323-3123323-3122172690199019

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11212

Females

2485

F18-39

2485

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10991

Females

2302

F18-39

2302

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11212

Females

2485

F18-39

2485

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11597

Females

2788

F18-39

2788

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

12009

Females

2959

F18-39

2959

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10967

Females

2572

F18-39

2572

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11656

Females

3121

F18-39

3121

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12673

Females

3783

F18-39

3783

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12309

Females

3760

F18-39

3760

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11970

Females

3627

F18-39

3627

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12437

Females

3967

F18-39

3967

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12925

Females

4275

F18-39

4275

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15357

Females

5714

F18-39

5714

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16825

Females

6479

F18-39

6479

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21726

Females

9019

F18-39

9019

Passing Analysis

Category:
Athletes Passed
1328
Passed By
2812
Net Change
-1484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10668
5K → 10K193325-132#10668#10800
10K → 15K141227-86#10800#10886
15K → 20K127299-172#10886#11058
20K → Half1480-66#11058#11124
Half → 25K201129+72#11124#11052
25K → 30K198286-88#11052#11140
30K → 20M90155-65#11140#11205
20M → 21M92124-32#11205#11237
21M → 35K5566-11#11237#11248
35K → 23M98135-37#11248#11285
23M → 24M64109-45#11285#11330
24M → 40K33204-171#11330#11501
40K → 25.2M13114-101#11501#11602
25.2M → Finish9559-550#11602#12152
TOTALS13282812-1484

Passing Charts

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