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BOSTON MARATHON 2025

Missy Giammichele

Bib: 8691•F

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
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
6:43/mi
20:51
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
41:54
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:04:19
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:27:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:32:54
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
1:53:04
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:20:21
↑ 181↓ 1480.2%
20M
8:40/mi
2:32:08
↑ 64↓ 500.2%
21M
8:44/mi
2:40:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
2:47:24
↑ 17↓ 861.7%
23M
7:52/mi
2:57:15
↑ 23↓ 630.6%
24M
8:38/mi
3:05:53
↓ 821.3%
40K· 24.85 mi
8:38/mi
3:13:16
↓ 200.3%
25.2M
8:54/mi
3:16:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:46/mi
3:24:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:54
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:51:21
Pace8:30 /mi
📊Positive Split: 19.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2020:516:4320:51
6:43
-
10K
6.21 mi11:07:2341:546:4521:03
6:47
+0:04
15K
9.32 mi11:29:481:04:196:5422:25
7:13
+0:26
20K
12.43 mi11:53:191:27:507:0423:31
7:34
+0:21
Half
13.11 mi11:58:231:32:547:055:04
7:26
-0:08
25K
15.53 mi12:18:331:53:047:1720:10
8:19
+0:53
30K
18.64 mi12:45:502:20:217:3227:17
8:47
+0:28
20M
20.00 mi12:57:372:32:087:3611:47
8:40
-0:07
21M
21.00 mi13:06:212:40:527:408:44
8:44
+0:04
35K
21.75 mi13:12:532:47:247:426:32
8:44
0:00
23M
23.00 mi13:22:442:57:157:429:51
7:52
-0:52
24M
24.00 mi13:31:223:05:537:458:38
8:38
+0:46
40K
24.85 mi13:38:453:13:167:477:23
8:38
0:00
25.2M
25.20 mi13:41:493:16:207:473:04
8:54
+0:16
Finish
26.22 mi13:49:443:24:157:487:55
7:46
-1:08

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

6:43 /mi

Average Pace

7:48 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:40

54% of race

Time at Steady Pace

47:58

23% of race

Time at Slower Pace

45:37

22% of race

Average Pace: 7:47 /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 mi10:46:2020:516:4320:51
6:43
#5562
10K
6.21 mi11:07:2341:546:4521:03
6:47
#5784
15K
9.32 mi11:29:481:04:196:5422:25
7:13
#7086
20K
12.43 mi11:53:191:27:507:0423:31
7:34
#7951
Half
13.11 mi11:58:231:32:547:055:04
7:26
#8081
25K
15.53 mi12:18:331:53:047:1720:10
8:19
#9392
30K
18.64 mi12:45:502:20:217:3227:17
8:47
#10861
20M
20.00 mi12:57:372:32:087:3611:47
8:40
#11148
21M
21.00 mi13:06:212:40:527:408:44
8:44
#11148
35K
21.75 mi13:12:532:47:247:426:32
8:44
#11373
23M
23.00 mi13:22:442:57:157:429:51
7:52
#11193
24M
24.00 mi13:31:223:05:537:458:38
8:38
#11368
40K
24.85 mi13:38:453:13:167:477:23
8:38
#11487
25.2M
25.20 mi13:41:493:16:207:473:04
8:54
#11462
Finish
26.22 mi13:49:443:24:157:487:55
7:46
#11426
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi55624044049271(Top 33%)1552(Top 13%)1552(Top 28%)
10K6.21 mi3.10 mi5784-222443-39443-396141(Top 22%)533(Top 4%)533(Top 10%)
15K9.32 mi3.11 mi7086-1302723-280723-2809271(Top 33%)1552(Top 13%)1552(Top 28%)
20K12.43 mi3.11 mi7951-8651010-2871010-28711360(Top 40%)2664(Top 22%)2664(Top 49%)
Half13.11 mi0.68 mi8081-1301058-481058-4811188(Top 39%)2529(Top 21%)2529(Top 46%)
25K15.53 mi2.42 mi9392-13111624-5661624-56616027(Top 56%)5322(Top 44%)5322(Top 97%)
30K18.64 mi3.11 mi10861-14692393-7692393-76916489(Top 58%)5734(Top 47%)5734(Top 105%)
20M20.00 mi1.36 mi11148-2872584-1912584-19114881(Top 52%)4975(Top 41%)4975(Top 91%)
21M21.00 mi1.00 mi111482630-462630-4611836(Top 42%)3521(Top 29%)3521(Top 64%)
35K21.75 mi0.75 mi11373-2252770-1402770-14016968(Top 60%)6338(Top 52%)6338(Top 116%)
23M23.00 mi1.25 mi11193+1802720+502720+509086(Top 32%)2303(Top 19%)2303(Top 42%)
24M24.00 mi1.00 mi11368-1752844-1242844-12415359(Top 54%)5570(Top 46%)5570(Top 102%)
40K24.85 mi0.85 mi11487-1192945-1012945-10114274(Top 50%)5103(Top 42%)5103(Top 93%)
25.2M25.20 mi0.35 mi11462+252949-42949-411235(Top 40%)3609(Top 30%)3609(Top 66%)
Finish26.22 mi1.02 mi11426+362965-162965-1611229(Top 40%)3565(Top 29%)3565(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9271

Females

1552

F18-39

1552

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6141

Females

533

F18-39

533

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9271

Females

1552

F18-39

1552

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11360

Females

2664

F18-39

2664

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11188

Females

2529

F18-39

2529

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

16027

Females

5322

F18-39

5322

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16489

Females

5734

F18-39

5734

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14881

Females

4975

F18-39

4975

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11836

Females

3521

F18-39

3521

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16968

Females

6338

F18-39

6338

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9086

Females

2303

F18-39

2303

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15359

Females

5570

F18-39

5570

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14274

Females

5103

F18-39

5103

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11235

Females

3609

F18-39

3609

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11229

Females

3565

F18-39

3565

Passing Analysis

Category:
Athletes Passed
795
Passed By
6657
Net Change
-5864
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5562
5K → 10K96318-222#5562#5784
10K → 15K121314-1302#5784#7086
15K → 20K18883-865#7086#7951
20K → Half8138-130#7951#8081
Half → 25K151326-1311#8081#9392
25K → 30K281495-1469#9392#10861
30K → 20M60347-287#10861#11148
20M → 21M98980#11148#11148
21M → 35K17242-225#11148#11373
35K → 23M20828+180#11373#11193
23M → 24M47222-175#11193#11368
24M → 40K44163-119#11368#11487
40K → 25.2M5126+25#11487#11462
25.2M → Finish9357+36#11462#11426
TOTALS7956657-5864
📊

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