Boston Marathon logo
BOSTON MARATHON 2025

Katy Miller

PA

Bib: 15304 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 16%
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
7:18/mi
22:41
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:16/mi
45:16
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:13/mi
1:07:41
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:11/mi
1:29:59
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:02/mi
1:34:47
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:07/mi
1:52:03
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:15/mi
2:14:35
↑ 181↓ 1480.2%
138 ft elev
20M
7:20/mi
2:24:33
↑ 64↓ 500.2%
148 ft elev
21M
7:40/mi
2:32:13
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:05/mi
2:37:31
↑ 17↓ 861.7%
156 ft elev
23M
7:15/mi
2:46:36
↑ 23↓ 630.6%
116 ft elev
24M
7:11/mi
2:53:47
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:33/mi
3:00:14
↓ 200.3%
20 ft elev
25.2M
8:10/mi
3:03:03
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:21/mi
3:10:32
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:47
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:35:45
Pace7:18 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1322:417:1822:41
7:18
-
10K
6.21 mi11:16:4845:167:1722:35
7:16
-0:02
15K
9.32 mi11:39:131:07:417:1622:25
7:13
-0:03
20K
12.43 mi12:01:311:29:597:1422:18
7:11
-0:02
Half
13.11 mi12:06:191:34:477:144:48
7:02
-0:09
25K
15.53 mi12:23:351:52:037:1317:16
7:07
+0:05
30K
18.64 mi12:46:072:14:357:1322:32
7:15
+0:08
20M
20.00 mi12:56:052:24:337:149:58
7:20
+0:05
21M
21.00 mi13:03:452:32:137:157:40
7:40
+0:20
35K
21.75 mi13:09:032:37:317:155:18
7:05
-0:35
23M
23.00 mi13:18:082:46:367:159:05
7:15
+0:10
24M
24.00 mi13:25:192:53:477:147:11
7:11
-0:04
40K
24.85 mi13:31:463:00:147:156:27
7:33
+0:22
25.2M
25.20 mi13:34:353:03:037:162:49
8:10
+0:37
Finish
26.22 mi13:42:043:10:327:167:29
7:21
-0:49

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

7:02 /mi

Average Pace

7:16 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:43

99% of race

Time at Steady Pace

2:49

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:54:1322:417:1822:41
7:18
#10381
10K
6.21 mi11:16:4845:167:1722:35
7:16
#10216
15K
9.32 mi11:39:131:07:417:1622:25
7:13
#9873
20K
12.43 mi12:01:311:29:597:1422:18
7:11
#9349
Half
13.11 mi12:06:191:34:477:144:48
7:02
#9257
25K
15.53 mi12:23:351:52:037:1317:16
7:07
#8794
30K
18.64 mi12:46:072:14:357:1322:32
7:15
#8181
20M
20.00 mi12:56:052:24:337:149:58
7:20
#7959
21M
21.00 mi13:03:452:32:137:157:40
7:40
#7739
35K
21.75 mi13:09:032:37:317:155:18
7:05
#7631
23M
23.00 mi13:18:082:46:367:159:05
7:15
#7409
24M
24.00 mi13:25:192:53:477:147:11
7:11
#7282
40K
24.85 mi13:31:463:00:147:156:27
7:33
#7231
25.2M
25.20 mi13:34:353:03:037:162:49
8:10
#7213
Finish
26.22 mi13:42:043:10:327:167:29
7:21
#7210
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10381197519759258(Top 33%)1539(Top 13%)1539(Top 28%)
10K6.21 mi3.10 mi10216+1651911+641911+6410095(Top 36%)1863(Top 15%)1863(Top 34%)
15K9.32 mi3.11 mi9873+3431780+1311780+1319258(Top 33%)1539(Top 13%)1539(Top 28%)
20K12.43 mi3.11 mi9349+5241570+2101570+2108037(Top 28%)1119(Top 9%)1119(Top 20%)
Half13.11 mi0.68 mi9257+921534+361534+367889(Top 28%)1048(Top 9%)1048(Top 19%)
25K15.53 mi2.42 mi8794+4631353+1811353+1817124(Top 25%)899(Top 7%)899(Top 16%)
30K18.64 mi3.11 mi8181+6131181+1721181+1726202(Top 22%)732(Top 6%)732(Top 13%)
20M20.00 mi1.36 mi7959+2221133+481133+486023(Top 21%)796(Top 7%)796(Top 15%)
21M21.00 mi1.00 mi7739+2201072+611072+615513(Top 19%)762(Top 6%)762(Top 14%)
35K21.75 mi0.75 mi7631+1081057+151057+155945(Top 21%)913(Top 7%)913(Top 17%)
23M23.00 mi1.25 mi7409+2221029+281029+285234(Top 18%)748(Top 6%)748(Top 14%)
24M24.00 mi1.00 mi7282+1271015+141015+145754(Top 20%)975(Top 8%)975(Top 18%)
40K24.85 mi0.85 mi7231+511022-71022-77065(Top 25%)1567(Top 13%)1567(Top 29%)
25.2M25.20 mi0.35 mi7213+181027-51027-56904(Top 24%)1576(Top 13%)1576(Top 29%)
Finish26.22 mi1.02 mi7210+31054-271054-278088(Top 28%)2096(Top 17%)2096(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9258

Females

1539

F18-39

1539

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10095

Females

1863

F18-39

1863

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9258

Females

1539

F18-39

1539

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

8037

Females

1119

F18-39

1119

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7889

Females

1048

F18-39

1048

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7124

Females

899

F18-39

899

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6202

Females

732

F18-39

732

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

6023

Females

796

F18-39

796

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5513

Females

762

F18-39

762

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5945

Females

913

F18-39

913

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5234

Females

748

F18-39

748

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5754

Females

975

F18-39

975

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7065

Females

1567

F18-39

1567

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6904

Females

1576

F18-39

1576

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

8088

Females

2096

F18-39

2096

Passing Analysis

Category:
Athletes Passed
3565*
Passed By
394
Net Change
+3171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10381
5K → 10K343178+165#10381#10216
10K → 15K389*46+343#10216#9873
15K → 20K53410+524#9873#9349
20K → Half953+92#9349#9257
Half → 25K4674+463#9257#8794
25K → 30K6163+613#8794#8181
30K → 20M2319+222#8181#7959
20M → 21M23111+220#7959#7739
21M → 35K1135+108#7739#7631
35K → 23M2319+222#7631#7409
23M → 24M13811+127#7409#7282
24M → 40K8635+51#7282#7231
40K → 25.2M3719+18#7231#7213
25.2M → Finish5451+3#7213#7210
TOTALS3565*394+3171

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing