Tiernan Buffoni

Bib: 40172 M GB

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Top 20%

Gender (Male)

#0 / 33594

Top 27%

Division (M18-39)

#0 / 16712

Top 30%

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

8:01/mi

24:53

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:02/mi

49:50

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:13/mi

1:15:20

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:02/mi

1:40:15

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:15/mi

1:45:47

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:11/mi

2:05:41

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:22/mi

2:31:40

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:35/mi

2:58:18

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:53/mi

3:25:53

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:00/mi

3:38:09

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

See every mile of your race

Add your watch's GPX to unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via Half

1:45:478:05 /mi⚡ faster

2nd Half

1:52:228:34 /mi+6.2%

Positive split — 6.2% slower in the second half

Is this your race?

Unlock your AI Race Performance Report

Your Race Story, performance analysis & focus areas — built from your data, free when you claim.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	24:53	8:01	3.11 mi	24:53	8:01	-
10K	49:50	8:02	3.10 mi	24:57	8:02	+0:01
15K	1:15:20	8:05	3.11 mi	25:30	8:13	+0:11
20K	1:40:15	8:05	3.11 mi	24:55	8:02	-0:11
Half(13.10 mi)	1:45:47	8:05	0.67 mi	5:32	8:15	+0:13
25K	2:05:41	8:06	2.43 mi	19:54	8:11	-0:04
30K	2:31:40	8:09	3.11 mi	25:59	8:22	+0:11
35K	2:58:18	8:12	3.11 mi	26:38	8:35	+0:13
40K	3:25:53	8:18	3.10 mi	27:35	8:53	+0:18
Finish(26.22 mi)	3:38:09	8:20	1.37 mi	12:16	9:00	+0:07

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:01 /mi

Average Pace

8:20 /mi

Slowest Pace

9:00 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:58:18

82% of race

Time at Steady Pace

39:51

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:19 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	14227	10915	10915	13326	10333	10333
10K	3.10 mi	13712+515	10534+381	10534+381	13281	10228	10228
15K	3.11 mi	13545+167	10450+84	10450+84	13326	10333	10333
20K	3.11 mi	13420+125	10355+95	10355+95	13262	10267	10267
Half(13.10 mi)	0.67 mi	13394+26	10332+23	10332+23	13179	10199	10199
25K	2.43 mi	13227+167	10217+115	10217+115	12940	9967	9967
30K	3.11 mi	12840+387	9897+320	9897+320	12049	9248	9248
35K	3.11 mi	12392+448	9499+398	9499+398	11314	8480	8480
40K	3.10 mi	12187+205	9249+250	9249+250	12579	8939	8939
Finish(26.22 mi)	1.37 mi	12236-49	9231+18	9231+18	14880	10249	10249

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%

×10

+49ft-125ft

Overall

13326

Males

10333

M18-39

10333

5K→10K

3.1 - 6.2 mi

Top 22%

+50ft-81ft

Overall

13281

Males

10228

M18-39

10228

10K→15K

6.2 - 9.3 mi

Top 22%

+44ft-51ft

Overall

13326

Males

10333

M18-39

10333

15K→20K

9.3 - 12.4 mi

Top 22%

+67ft-40ft

Overall

13262

Males

10267

M18-39

10267

20K→Half

12.4 - 13.1 mi

Top 22%

+8ft-27ft

Overall

13179

Males

10199

M18-39

10199

Half→25K

13.1 - 15.5 mi

Top 22%

+50ft-63ft

Overall

12940

Males

9967

M18-39

9967

25K→30K

15.5 - 18.6 mi

Top 20%

+69ft-46ft

Overall

12049

Males

9248

M18-39

9248

30K→35K

18.6 - 21.8 mi

Top 19%

+87ft-88ft

Overall

11314

Males

8480

M18-39

8480

35K→40K

21.8 - 24.9 mi

Top 21%

+58ft-75ft

Overall

12579

Males

8939

M18-39

8939

40K→Finish

24.9 - 26.2 mi

Top 25%

+14ft-18ft

Overall

14880

Males

10249

M18-39

10249

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#14227
5K → 10K	203718+515	#14227 → #13712
10K → 15K	217384+167	#13712 → #13545
15K → 20K	170295+125	#13545 → #13420
20K → Half	4066+26	#13420 → #13394
Half → 25K	130297+167	#13394 → #13227
25K → 30K	143530+387	#13227 → #12840
30K → 35K	172620+448	#12840 → #12392
35K → 40K	236441+205	#12392 → #12187
40K → Finish	157108-49	#12187 → #12236
TOTALS	14683459+1991	#14227 → #12236

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

Is this your race? Claim it to upload your GPX and export your data as yours.

Upload your GPX file

Add per-mile pace & heart rate — works with Garmin, Apple Watch, Strava & more.

Download your race track as a GPX or TCX file for Strava, Garmin Connect, or other 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

Quick Links

Find another athlete or browse the full results

Search for another athlete

All Results

Browse complete race results with filtering

→

Results processed 4 months ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing